00313nam a2200097 a 450000500170000010000080001724500720002526000250009730000220012263000710014420251203090701.0  aAIU  aBibliography of doctoral dissertationbNatural and Applied Sciences  aNew DelhibAIUc1983  a672 p.b22cm.cPB  aNatural and Applied Sciences Bibliography of Doctoral dissertation