000 00276nam a2200121Ia 4500
100 _aDara, S S
020 _a81-219-0539-9
942 _cBK
245 _aA Textbook of engineering chemistry
260 _aS. Chand, New Delhi
_c1997
082 _a660.28 Dar
300 _axii, 734
999 _c32836
_d32836