Encyclopedia of scientific developments inventions and discoveries  
Edited by J. R.  Ainsworth Davis 
 - New Delhi:  Bhavan books & prints  1996. 
 -  5 vols. set 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>8186505156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Encyclopaedias 
<br/><br/><label>Dewey Class. No.: </label>503  / ENC