Rucker . Walter E  Dilley . Clyde A <br/><br/>
Heath Mathematics 

 - Toronto  D . C Heath And Company  1979 
 - 410 p. 
<br/><br/><label>ISBN: </label>0-669-03021-X 
<br/><br/><label>Dewey Class. No.: </label>510  / RUC