00331nam a2200109Ia 4500008004100000040001100041100001200052245009600064260003500160300001700195300000900212251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aF. Rapp 0aIntervirologybThe Journal of the Division International Union of Microboilogical societies  c1956bpergamon pressaNew York  aP. 8175-9464  bV. 1