000 00334nam a2200145Ia 4500
008 210804s1989||||xx |||||||||||||| ||und||
041 _aeng
082 _a615.2
_bTHO/PR
100 _aThomas A O
245 0 _aPractical chemistry
250 _a4th
260 _aCannanore
_bScientific book centre
_c1989
300 _a538
942 _cBK
999 _c4471
_d4471