Bibliography of doctoral dissertations 1991. 
Bibliography of doctoral dissertations 1991. 
 - New Delhi  Association of Indian Universities  1995 
 - xxxv, 825p., 22cm. 
<br/><br/> Contents: Natural and applied sciences. 
<br/><br/><label>ISBN: </label>8175200065. 
<br/><br/><label>Dewey Class. No.: </label>016.5,  / B52B