000 00281nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a540
100 _aKrishnamurthy N
245 0 _aEngineering Chemistry
250 _a2
260 _bPhi Learning, New Delhi
_c2008
942 _cBK
999 _c17313
_d17313