AYRES, Frank J R. <br/><br/>
Theory and Problems of Different Equations in slmetric units. 

 - Singgapore  McGraw -Hill Book Company.  1972 
 - 292p. 
<br/><br/><label>ISBN: </label>07 084396 1 
<br/><br/><label>Dewey Class. No.: </label>515.35