1.

Conference Proceedings
Conference Proceedings
1. Positron Lifetime on Clean Metallic Surfaces
Steindl,R. ; Kogel,G. ; Sperr,P. ; Willutzki,P. ; Britton,D.T. ; Triftshauser,W.
Pub. info.: Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary.  Pt.3  pp.1455-1458,  1992.  Aederlmannsdorf, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 105-110
2.

Conference Proceedings
Conference Proceedings
2. An Upgraded Version of a Pulsed Positron Beanl
Wiliutzki,P. ; Stormer,J. ; Kogel,G. ; Sperr,P. ; Britton,D.T. ; Steindl,R. ; Triftshauser,W.
Pub. info.: Positron annihilation : ICPA-10 : Proceedings of the 10th International Conference on Positron Annihilation, May 23-29, 1994, Beijing, China.  Part1  pp.237-240,  1995.  Aederlmannsdorf, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 175-178
3.

Conference Proceedings
Conference Proceedings
3. A New Concept for a Pulsed Positron Source
Willutzki,P. ; Sperr,P. ; Britton,D.T. ; Kogel,G. ; Steindl,R. ; Tuiftshauser,W.
Pub. info.: Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary.  Pt.3  pp.2009-2012,  1992.  Aederlmannsdorf, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 105-110