000 00365nam a2200145Ia 4500
008 170207s9999 xx 000 0 und d
082 _a574 TRO-S
100 _aTroyer, Donald L, et al.
245 _aSourcebook for the biological sciences
260 _bMacmillan & Co. Ltd., New York
260 _c1972
300 _a176
650 _aBiology
942 _cBOOKS
999 _c19510
_d19510