00257nam a2200097Ia 4500008004100000082002000041245003200061260003500093300001800128650001300146140224s9999    xx            000 0 und d  a581.2(02) L3.18  aAdvances in virus research.  aNew YorkbAcademic Pressc1973  av.18,ix,403p.  aVirology