Thurston, H. A. <br/><br/>
The number-system. 

 - New York  Interscience Publishers  [1957] 
 - 134 p. 
<br/><br/><label>LCCN: </label>evn00001470  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Foundations.
<br/><br/><label>Dewey Class. No.: </label>512.81