Information sources in science and technology /  
Lal chhotey in collaboration with A. Shoaib Ahsan assisted by Vishwa Nath and Prakash Chand 
 - 1986  New Delhi, India:  Bharati, 
 - 307 pages 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information sources
<br/><br/><label>LC Class. No.: </label>Z 697  / .S5L3