000 00290nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a617 RAT
100 _aRATTAN (Sunita):
245 _aEngineering Chemistry
260 _aNEW DELHI
_bS.K.KATARIA & SONS
365 _cRS
999 _c196047
_d196047