00318nam a2200121Ia 4500008004100000022001400041040001100055100002100066245002400087260006200111300001300173300001000186251112s9999||||xx |||||||||||||| ||und||  a0022-538A  aCNCLSA  aRobert R. wagner 0aJournal of Virology  cJuly, 1976bAmerican Society for MicrobiologyaWashington  aP. 1-764  bV. 19