000 00334nam a2200145Ia 4500
020 _a9814023671
082 _b.1205
_a500
100 _a"Chan, Patricia"
245 0 _aTopical Approach Science Sec-2
260 _aSingapore
_c1999
300 _a188
944 _cBK
999 _c388967
_d388967