Kulshrestha, Hemant <br/><br/>
Chemical sciences:  Upkar's CSIR-UGC NET/JRF/SLET  / 
Hemant Kulshrestha and Ajay, Taneja 
 - Agra:  Upkar, 
 - viii, 480p., 25cm. 
<br/><br/><label>Dewey Class. No.: </label>540 K98C