Lankford, Francis G.Ulrich, James F. <br/><br/>
Essential mathematics 

 - New York:  Harcourt Brace  1975 
 - viii, 536p.:ill. ;24cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.8 LAN