00297nam a2200109 a 450000500170000000800410001704100080005810000160006624500560008226400380013830000110017620260717072141.0260701s1996    ii            000 0 eng d  aeng1 aKhan, T. H.10aSystematic chemistry, XII th Science /cKhan, T. H. 1aBombay :bUttam Prakashan,c1996.  a362 p.