000 00321nam a2200145Ia 4500
020 _a0000000000000
082 _b177
_a570
100 _a"Simpkins J."
245 0 _aAdvanced Biology
260 _bELBS
_aLondon
_c1989
300 _a760
944 _cBK
999 _c392908
_d392908