Keddy, Mervin L. <br/><br/>
Basic mathematics  
Mervin L.Keddy 
 - 6th Ed. 
 - New York   Addison -Wesley Publishing Company  1991 
 - xxiv,608p:.  Col:ill.  27cm. 
<br/><br/><label>Dewey Class. No.: </label>513/  / KEE