000			00300nam a2200133Ia 4500
008			160122s9999 xx 000 0 und d
041			_aEnglish
100			_aGopalan
245			_aEngineering Chemistry
250			_a1st
260			_bDelhi:vikas pub _c1999
300			_a20to13p.
650			_aChemistry
999			_c247 _d247