00625nam a2200193Ia 450000500170000000800410001703500090005804100080006708200120007510000290008724501210011626000350023730000080027249000060028050000220028650500630030865000330037170000270040420260808125403.0260808s9999||||xx |||||||||||||| ||und||  a3524  aENG  a547.857  aBergmann, Ernst D. (ed.) 0aPurines (vol-4)btheory and experiment, proceeding of an international symposium held in Jerusalem, 4 - 8 april 1971  aNew YorkbAcademic Pressc1972  a614  a4  a3848 / 06.08.1973  aorganic chemistry, chemical synthesis, reaction mechanisms  aChemistrybOrganic chemistry  aPullman, Bernard (ed.)