00323nam a2200097Ia 4500008004100000040001100041100002200052245006500074260007500139300001100214251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aPhilip H. Abelson 0aSciencebAmerican association for the advancement of science  c1973bThe American Association For The Advancement ScienceaWashington  bV.182A