00297nam a2200109Ia 4500008004100000022001400041040001100055245004500066260005400111300001200165300001000177251112s9999||||xx |||||||||||||| ||und||  a0028-0836  aCNCLSA 0aNaturebInternational Journal Of Science  cJanuary, 1983bMacmillan Journal LimitedaU. S. A  aP.1-742  bV.301