1.

Conference Proceedings

Conference Proceedings
Gil,C.Lopes ; Marques,M.F.Ferreira ; Lima,A.P.de ; Vilar,R. ; Deus,A.M.de ; Kogel,G. ; Triftshauser,W.
Pub. info.: Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary.  Pt.2  pp.1141-1144,  1992.  Aederlmannsdorf, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 105-110
2.

Conference Proceedings

Conference Proceedings
Gil,C.Lopes ; Marques,M.F.Ferreira ; Lima,A.P.de ; Vieira,M.T. ; Cavaieiro,A.
Pub. info.: Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary.  Pt.2  pp.1137-1140,  1992.  Aederlmannsdorf, Switzerland.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 105-110