000 00268pam a2200121 a 4500
020 _c
041 _aeng
100 _aDean.J.A.
245 _aLanges H.B Of Chemistry
_hTextual Documents
260 _aNew Delhi
_bMcGraw Hill
_c1985
300 _a11.44p.
930 _a13506
999 _c90407
_d90407