00279nam a2200109Ia 4500008004100000040001100041100001400052245003600066260004500102300001300147300000900160251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aC. Kaplan 4aThe Journal of General Virology  c1970bCambridge University PressaLondon  aP. 1-244  bV. 8