Hart, William L. <br/><br/>
College algebra and trigonometry   

 - Boston :   D C Heath,   1959. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Sciences
<br/><br/><label>Dewey Class. No.: </label>512.13  / HAR