00998nam0-22003131i-450-99000096760040332120040622161230.0000096760FED01000096760(Aleph)000096760FED0100009676020020001d--------km-y0itay50------baeng6th Brazilian Symposium on Theoretical Physics, Rio de Janeiro, 1980Erasmo Ferreira, Belita Koller editorsBrasiliaCNR1981Volume 3: Elementary Particle Physics and Relativity / C.G. Bollini ... [et al.]Fisica matematicaFisica teorica530Ferreira,Erasmo44778Bollini,C.G.Koiller,BelitaITUNINARICAUNIMARCBK99000096760040332120-129.002F12043FI1FI16th Brazilian Symposium on Theoretical Physics, Rio de Janeiro, 1980358582UNINA