1.

Conference Proceedings
Conference Proceedings
1. Gas Permeability and Temperature-Dependent Free-Volume Studies in Polyurethane Membranes by Positron Lifetime and Doppler Spectroscopies
Ferreira Marques, M.F. ; Gordo, P.M. ; Lopes Gil, C. ; de Lima, A.P. ; Placco Queiroz, D. ; Norberta de Pinho, M. ; Kajcsos, Zs. ; Duplatre, G.
Pub. info.: Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003.  pp.289-291,  2004.  Uetikon-Zuerich.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 445-446
2.

Conference Proceedings
Conference Proceedings
2. Positron Annihilation Studies in Amorphous Silicon Nitride
Gordo, P.M. ; Duarte Naia, M. ; Lopes Gil, C. ; de Lima, A.P. ; Lavareda, G. ; Nunes de Carvalho, C. ; Amaral, A. ; Kajcsos, Zs.
Pub. info.: Positron annihilation ICPA-13 : proceedings of the 13th International Conference on Positron Annihilation, Kyoto, Japan, September 2003.  pp.90-92,  2004.  Uetikon-Zuerich.  Trans Tech Publications
Title of ser.: Materials science forum
Ser. no.: 445-446