Wolf, Frank L. <br/><br/>
Number systems and their uses / 
Frank L. Wolf. 
 - Waltham, Mass. :  Xerox College Publishing,  c1971. 
 - xiv, 591 p. 
<br/><br/><label>LCCN: </label>75-135633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching.