Doherty, R.E. Keller, E.G. <br/><br/>
Mathematics for modern engineering Vol. I 

 - JHon wiley & sons, inc  London  1936 
 - 314p.  Table, Fig. 
 - Volume  1 .
<br/><br/><label>Nat. Bib. No.: </label>1439 
<br/><br/><label>Universal Decimal Class. No.: </label>511.62  / DOH