000 00349nam a2200145Ia 4500
020 _a9814023019
082 _b1271
_a570
100 _a"Peifen, She"
245 0 _aNotes & Questions Pure Biology
260 _bSystem Pub House,
_aSingapore
_c1998
300 _a308
944 _cBK
999 _c473616
_d473616