Computech Pub,  <br/><br/>
Inventions and Discoveries 

 - Thrivanthapuram  Computech Publishers  2002 
 - 704p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--Reference Reading Room
<br/><br/><label>Subjects--Topical Terms: </label>--Generalia
<br/><br/><label>Dewey Class. No.: </label>637  / COM-I