Walker, J.D <br/><br/>
Certificate mechanical engineering science 

 - 2nd ed. 
 - London  The English Universities Press  1973 
 - xii, 290p. : ill. 
<br/><br/><label>ISBN: </label>0340152400 
<br/><br/><label>LC Class. No.: </label>TJ 147 Wal