00301nam a2200109Ia 4500008004100000022001400041040001100055245001200066260008900078300001400167300001000181251112s9999||||xx |||||||||||||| ||und||  a0036-8075  aCNCLSA 0aScience  cOctober 1, 1999bThe American Association for the Advancement of ScienceaWashington  aP. 1-1040  bV.214