diff --git a/python/obitools3/dms/view/view.pyx b/python/obitools3/dms/view/view.pyx
index 26e3953..250749e 100644
--- a/python/obitools3/dms/view/view.pyx
+++ b/python/obitools3/dms/view/view.pyx
@@ -174,19 +174,21 @@ cdef class View(OBIWrapper) :
     
      
     def keys(self):
-        cdef int i
-        cdef Obiview_p pointer = self.pointer()
-        cdef int nb_column = pointer.infos.column_count
-        cdef Alias_column_pair_p column_p =  pointer.infos.column_references
+        
+        cdef str                 col_alias
+        cdef int                 i
+        cdef Obiview_p           pointer   = self.pointer()
+        cdef int                 nb_column = pointer.infos.column_count
+        cdef Alias_column_pair_p column_p  = pointer.infos.column_references
         
         if not self.active() :
             raise OBIObjectClosedInstance()
 
         for i in range(nb_column) :
-            col_alias = bytes2str(pointer.infos.column_references[i].alias)
+            col_alias = bytes2str(column_p[i].alias)
             yield col_alias
-        
-       
+
+
     def get_column(self,
                    object column_name):
 
@@ -194,8 +196,23 @@ cdef class View(OBIWrapper) :
             raise OBIObjectClosedInstance()
                 
         return Column.open(self, column_name)
-    
-    
+
+
+    def get_column_with_idx(self,
+                            int column_idx):
+
+        cdef Obiview_p           pointer   = self.pointer()
+        cdef int                 nb_column = pointer.infos.column_count
+        
+        if not self.active() :
+            raise OBIObjectClosedInstance()
+        
+        if column_idx > nb_column :
+            raise IndexError(column_idx, "No column with this index")
+                        
+        return Column.open(self, pointer.infos.column_references[column_idx].alias)
+
+
     cpdef delete_column(self, 
                         object column_name) :