00318nam a2200121Ia 4500008004100000022001400041040001100055100001600066245005200082260004000134300001300174300000900187251112s9999||||xx |||||||||||||| ||und||  a0028-0836  aCNCLSA  aJohn Maddox 0aNaturebInternational Weekly Journal of Science  c1983bMacmillan Journals LtdaU.S.A  aP. 1-844  bV.14