Conclusions and recommendations 

 - Calcutta  I I F T India        1967 
 - 83p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical
<br/><br/><label>Dewey Class. No.: </label>X 9 (D6, 8) :545p2, N67, K7