000			00288nam a2200133Ia 4500
100			_aSethi/ G.S./ Kakkar/ K.
942			_cBK
654			_aWorkshop
245			_aWorkshop science
260			_bTata Mc Graw hill _aNew Delhi _c1982
082			_a510
300			_a112
546			_aENGLISH
999			_c18349 _d18349