000 00286nam a2200109Ia 4500
008 171227s1999 xx 000 0 und d
100 _aGopalan, R
245 _aEngineering Chemistry
260 _aNew Delhi
_bVikas Publishing House Pvt Ltd
_c1999
300 _a200
365 _b150
650 _aEngineering Chemistry
999 _c148761
_d148761