Peter Peter Lincoln  <br/><br/>
Building Mathematical Concepts  _ 
Peter Lincoln Spencer 
 - 1961 
 - New york  Holt Rinehart and Winston  1961 
 - 372  - 
<br/><br/> - 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>372.25  / SPE