000 00342nam a2200145Ia 4500
020 _a0199142602
082 _b2150
_a570
100 _a"Beckett .B.S"
245 0 _aBiology a modern Introduction
260 _bJohn Murray
_aPakistan
_c1982
300 _a315
944 _cTR
999 _c699189
_d699189