000 00318nam a2200121Ia 4500
008 250523s9999 xx 000 0 und d
100 _aDhar, Durga Nath
245 2 _aA Text Book of Engineering Chemistry
260 _bVayu Education of India
_aNew Delhi
_c2010
300 _a414
650 _aEngineering
942 _cBK
999 _c15302
_d15302