diff --git a/src/multi_array.cc b/src/multi_array.cc
index f48fe92..cfcbac4 100644
--- a/src/multi_array.cc
+++ b/src/multi_array.cc
@@ -35,6 +35,13 @@ namespace MultiArrayTools
 	return *mRange;
     }
 
+    template <typename T, class Range>
+    template <class... NameTypes>
+    MultiArrayOperationRoot<T,Range> MultiArrayBase<T,Range>::operator()(const NameTypes&... str)
+    {
+	return MultiArrayOperationRoot<T,Range>(*this, Name("master", str...));
+    }
+    
     /*******************
      *  MultiArray     *	     
      *******************/
@@ -76,13 +83,6 @@ namespace MultiArrayTools
 	return mCont[ i.pos() ];
     }
 
-    template <typename T, class Range>
-    template <class... NameTypes>
-    MultiArrayOperationRoot<T,Range> MultiArray<T,Range>::operator()(const NameTypes&... str)
-    {
-	return MultiArrayOperationRoot<T,Range>(*this, Name("master", str...));
-    }
-
     template <typename T, class Range>
     bool MultiArray<T,Range>::isSlice() const
     {
diff --git a/src/multi_array.h b/src/multi_array.h
index a4de6af..f630bd5 100644
--- a/src/multi_array.h
+++ b/src/multi_array.h
@@ -32,6 +32,9 @@ namespace MultiArrayTools
 	virtual auto end() -> decltype(Range().end());
 
 	virtual const Range& range() const;
+
+	template <class... NameTypes>
+	MultiArrayOperationRoot<T,Range> operator()(const NameTypes&... str);
 	
     protected:
 	std::shared_ptr<Range> mRange;
@@ -50,9 +53,6 @@ namespace MultiArrayTools
 	MultiArray(const Range& range, const std::vector<T>& vec);
 	MultiArray(const Range& range, std::vector<T>&& vec);
 	
-	template <class... NameTypes>
-	MultiArrayOperationRoot<T,Range> operator()(const NameTypes&... str);
-
 	T& operator[](const typename Range::IndexType& i) override;
 	const T& operator[](const typename Range::IndexType& i) const override;
 	
diff --git a/src/multi_array_operation.cc b/src/multi_array_operation.cc
index ecde2e2..20353f6 100644
--- a/src/multi_array_operation.cc
+++ b/src/multi_array_operation.cc
@@ -43,12 +43,16 @@ namespace MultiArrayTools
     MultiArrayOperationRoot<T,Range>&
     MultiArrayOperationRoot<T,Range>::operator=(const MultiArrayOperationRoot<T,Range>& in)
     {
+	if(mArrayRef.isSlice()){
+	    Slice<T,Range>& sl = dynamic_cast<Slice<T,Range>&>( mArrayRef );
+	    
+	    sl.set()
+	    return *this;
+	}
+	
 	in.linkIndicesTo(MAOB::mIibPtr);
 	IndexType& iref = dynamic_cast<IndexType&>(*MAOB::mIibPtr);
-	//if(mArrayRef.isSlice()){
-	//    linkSlice(&in.index(), MAOB::mIibPtr);
-	//    return *this;
-	//}
+
 	for(iref = mArrayRef.begin().pos(); iref != mArrayRef.end(); ++iref){
 	    // build in vectorization later
 	    get() = in.get();
@@ -62,12 +66,11 @@ namespace MultiArrayTools
     MultiArrayOperationRoot<T,Range>&
     MultiArrayOperationRoot<T,Range>::operator=(const MultiArrayOperation<T,Operation,MAOps...>& in)
     {
+	// NO SLICE CREATION !!! (total array not initialized!!)
+	
 	in.linkIndicesTo(MAOB::mIibPtr);
 	IndexType& iref = dynamic_cast<IndexType&>(*MAOB::mIibPtr);
-	//if(mArrayRef.isSlice()){
-	//    linkSlice(&in.index(), MAOB::mIibPtr);
-	//    return *this;
-	//}
+	
 	for(iref = mArrayRef.begin().pos(); iref != mArrayRef.end(); ++iref){
 	    // build in vectorization later
 	    get() = in.get();
@@ -76,26 +79,6 @@ namespace MultiArrayTools
 	return *this;
     }
 
-    /*
-    template <typename T, class Range>
-    template <class Range2>
-    MultiArrayOperationRoot<T,Range>&
-    MultiArrayOperationRoot<T,Range>::operator=(const MultiArrayOperationBase<T, Range2>& in)
-    {
-	in.linkIndicesTo(MAOB::mIibPtr);
-	IndexType& iref = dynamic_cast<IndexType&>(*MAOB::mIibPtr);
-	if(mArrayRef.isSlice()){
-	    linkSlice(&in.index(), MAOB::mIibPtr);
-	    return *this;
-	}
-	for(iref = mArrayRef.begin().pos(); iref != mArrayRef.end(); ++iref){
-	    // build in vectorization later
-	    get() = in.get();
-	}
-	MAOB::mIibPtr->freeLinked();
-	return *this;
-	}*/
-
     template <typename T, class Range>
     template <class Operation, class... MAOps>
     MultiArrayOperation<T,Operation,MultiArrayOperationRoot<T,Range>, MAOps...>
diff --git a/src/multi_array_operation.h b/src/multi_array_operation.h
index e44a9a7..11861ad 100644
--- a/src/multi_array_operation.h
+++ b/src/multi_array_operation.h
@@ -45,14 +45,6 @@ namespace MultiArrayTools
 	template <class Operation, class... MAOps>
 	MultiArrayOperationRoot& operator=(const MultiArrayOperation<T,Operation,MAOps...>& in);
 	
-	//MultiArrayOperationRoot& operator=(const MultiArrayOperationRoot& in) = delete;
-	//MultiArrayOperationRoot(const MultiArrayOperationRoot& in) = default;
-	
-	// execute AnyOperation
-	// exception if range types are inconsitent with names
-	//MultiArrayOperationRoot& operator=(const MultiArrayOperationBase<T>& in);
-	
-	
 	template <class Operation, class... MAOps>
 	MultiArrayOperation<T,Operation,MultiArrayOperationRoot<T,Range>, MAOps...>
 	operator()(Operation& op, const MAOps&... secs);
diff --git a/src/slice.cc b/src/slice.cc
index 1aa1554..aaeeee6 100644
--- a/src/slice.cc
+++ b/src/slice.cc
@@ -5,32 +5,23 @@
 namespace MultiArrayTools
 {
 
-    template <typename T, class Range, class MARange, class Index>
+    template <typename T, class Range, class MARange>
     Slice<T,Range,MARange,Index>::
-    Slice(MultiArrayBase<T,MARange>& ma, const Index& slicePos) :
+    Slice() :
 	MultiArrayBase<T,Range>(ma.range()),
-	multiArrayRef(ma),
-	mSlicePos(slicePos) {}
+	mMultiArrayRef(*this) {}
 
-    template <typename T, class Range, class MARange, class Index>
-    Slice<T,Range,MARange,Index>& Slice<T,Range,MARange,Index>::setSlicePos(const Index& slicePos)
-    {
-	mSlicePos = slicePos;
-	mMAPtr->linkTo(&mSlicePos);
-	return *this;
-    }
-
-    template <typename T, class Range, class MARange, class Index>
+    template <typename T, class Range, class MARange>
     bool Slice<T,Range,MARange,Index>::isSlice() const
     {
 	return true;
     }
 
-    template <typename T, class Range, class MARange, class Index>
-    void Slice<T,Range,MARange,Index>::setPtr(IndefinitIndexBase* MAPtr,
-					      IndefinitIndexBase* ownPtr)
+    template <typename T, class Range, class MARange>
+    void Slice<T,Range,MARange,Index>::set(MultiArrayBase<T,MARange>& multiArrayRef, IndefinitIndexBase* MAPtr)
     {
+	mMultiArrayRef = multiArrayRef;
+	
 	mMAPtr.reset(new typename MARange::IndexType(MAPtr));
-	mOwnPtr.reset(new typename Range::IndexType(ownPtr));
     }
 }
diff --git a/src/slice.h b/src/slice.h
index 7c295af..49b23f3 100644
--- a/src/slice.h
+++ b/src/slice.h
@@ -14,20 +14,19 @@ namespace MultiArrayTools
     // Range = range of slice
     // MARange = original range of multi array of which this is the slice
     // Index = index which determines the slice position (remnant of MARange w.o. Range)
-    template <typename T, class Range, class MARange, class Index>
+    template <typename T, class Range, class MARange/*, class Index*/>
     class Slice : public MultiArrayBase<T,Range> // yes, 'Range' is correct !!!
     {
-	//MA::mCont has to be empty; only make use of the provided functions
     public:
 
-	typedef MultiArrayBase<T,MARange> MAB;
+	typedef MultiArrayBase<T,Range> MAB;
 
-	Slice(MultiArray<T,MARange>& ma, const Index& slicePos);
+	Slice();
 
 	T& operator[](const typename Range::IndexType& i) override;
 	const T& operator[](const typename Range::IndexType& i) const override;
 	
-	Slice& setSlicePos(const Index& slicePos);
+	//Slice& setSlicePos(const Index& slicePos);
 	
 	// link given Index to mMAPtr which is index of total array
 	auto begin() override -> decltype(Range().begin()); 
@@ -35,15 +34,14 @@ namespace MultiArrayTools
 
 	virtual bool isSlice() const override;
 
-	void setPtr(IndefinitIndexBase* MAPtr,
-		    IndefinitIndexBase* ownPtr);
+	void set(MultiArrayBase<T,MARange>& multiArrayRef, IndefinitIndexBase* MAPtr);
 	
     private:
 
-	MultiArrayBase<T,MARange>& multiArrayRef;
-	IndefinitIndexBase* mMAPtr; // idx ptr for original MA Range
+	MultiArrayBase<T,MARange>& mMultiArrayRef;
+	std::shared_ptr<IndefinitIndexBase> mMAPtr; // idx ptr for original MA Range
 	IndefinitIndexBase* mOwnPtr; // idx ptr for own Range
-	Index mSlicePos;
+	//Index mSlicePos;
     };