Gopalakrishnan, K.V. <br/><br/>
Inventors who revolutionised our lives 

 - New Delhi  National Book Trust,  1999 
 - xiii, 198p. 
<br/><br/><label>ISBN: </label>9788123747668 
<br/><br/><label>Subjects--Index Terms: </label>Biographies  Popular science 
<br/><br/><label>Dewey Class. No.: </label>509  / GOP