000 00273nam a22001337a 4500
020 _a0393950212
082 _a501/03
100 _aWILLIAN T. KEETON
_989078
245 _aBIOLOGICAL SCIENCE
250 _a3RD, ED
260 _c1976
300 _aXII, 1075
942 _cBK
999 _c143890
_d143890