00289nam a2200097Ia 4500008004100000022001400041245002300055260004100078500003500119500003700154220214s9999    xx            000 0 und d  a0009-2258 0aChemical Abstracts  bAmerican Chemical Society, OhioaUSA  aEnding Volume & Year: 84, 1976  aStarting Volume & Year: 74, 1971