71st session in press  [Book] 

 - Lahore :  Pakistan Engineering Congress,  [2011?]. 
 - 222 p. ; :  col. pics. ;  28 cm. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9789696030102 
<br/><br/><label>Dewey Class. No.: </label>620.005