00262nam a2200109Ia 450000500170000000800410001708200180005810000150007624500140009126000380010530000090014320260205105102.0260111s9999||||xx |||||||||||||| ||und||  a540.76  C471C  aChugh,K.L. 0aChemistry  aLudhinabKalyani publishersc1996  av.p.