000 00310nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aGER-B
_b574.87
100 _aGerking, Shelby D
245 0 _aBiological systems
260 _a London
_bW B Saunders Company
_c1969
650 _aCytology; Biology
942 _cBK
999 _c5249
_d5249