00337nam a2200109Ia 4500008004100000040001100041100002100052245007700073260005400150300001300204300001000217251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aK. E. V. Spencer 0aLaboratory AnimalsbJournal of the Laboratory Animal Science Association  c1984bInstitute For Scientific InformationaU.S.A  aP. 1-463  bV. 40