00334nam a2200121Ia 4500008004100000022001400041040001100055100001600066245005200082260005200134300001500186300001100201251112s9999||||xx |||||||||||||| ||und||  a0028-0836  aCNCLSA  aJohn Maddox 0aNaturebInternational Weekly Journal of Science  cAugust 3, 1955bMacmillan Magazines LtdaLondon  aP. 371-800  bV. 376