000 00364nam a2200157Ia 4500
020 _a9780748717187
082 _bT-917
_a570
100 _a"Glenn and Susan"
245 0 _aUnderstanding Biology for Advanced Level
260 _c1990
300 _a628
942 _cTR
944 _cText Books
999 _c809957
_d809957