00302nam a2200109Ia 4500008004100000040001100041100001600052245005200068260004900120300001300169300001000182251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJohn Maddox 0aNaturebInternational Weekly Journal of Science  cApril, 1984bChurchill LivingstoneaNew York  aP. 1-688  bV. 18