00331nam a2200109Ia 4500008004100000040001500041082002400056100006500080245005800145260000900203300000900212231128s9999    xx            000 0 und d  aPHSAcPHSA  aCIR  570.7 M31 1971  aRasmussen, Frederick A. Holobinko, Paul Showalter, Victor M. 0aLife science investigations:bman and the environment  c1971  a  p.