00271nam a2200109Ia 4500008004100000040001100041100001400052245001800066260005600084300001200140300000900152251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aFred Rapp 0aIntervirology  c1987bMedical And Scientific PublicationsaNew York  aP.1-232  bV.27