Comments on atomic and molecular physics : a journal of critical discussion of the current literature Volume 34 Issue 6 Issue 3 Issue 2 Issue 1 Volume 33 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 32 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 31 Issue 6 Issue 3 Issue 2 Issue 1 Volume 30 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 29 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 28 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Volume 2 Issue 2 Volume 1 Issue 1