Encyclopadia of Scientific Developments Inventions and Discoveries / 
Ed. by J. R. Ainsworth Davis 
 - New Delhi :  Bhavana Books & Prints,   1996 
 - 235 p. :  ill.   23 cm. 
<br/><br/><label>ISBN: </label>8186505156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>509.03  / ENC 1996.