00768nam0-22002771i-450-99000603517040332119980601000603517FED01000603517(Aleph)000603517FED0100060351719980601d1984----km-y0itay50------ba--------00-yyState Immunityan analycal and Prognostic ViewGEMAL MOURSI BADRThe Hague,Boston,LancasterMartinus Nijhoff ,1984243 p.23 cm341.33Badr,Gamal Moursi247264ITUNINARICAUNIMARCBK990006035170403321X I 287120767FGBCFGBCState Immunity580000UNINAGIU01