Great scientific inventions 

 - Learners press private limited  New Delhi  1999 
 - 193p 
 - Agriculture Chemistry Physics Energy Mechanics Industrial Technology 
<br/><br/>Ghai, S.  Ghai, S. Basu, K.  Basu, K. Mahanta, P.  Mahanta, P. 
<br/><br/><label>ISBN: </label>81-7181-468-9 
<br/><br/><label>Nat. Bib. No.: </label>6188 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>608GRE 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering & Technology
<br/><br/><label>Universal Decimal Class. No.: </label>608