00323nam a2200121Ia 4500008004100000022001400041040001100055100002200066245001200088260007800100300001400178300000900192251112s9999||||xx |||||||||||||| ||und||  a0036-8075  aCNCLSA  aPhilip H. Abelson 0aScience  c1981bThe American Association for the Advancement of ScienceaWashington  aP. 1-1394  bV.22