Crapo, Henry H. <br/><br/>
On the foundations of combinatorial theory: combinatorial geometries 
[by] Henry H. Crapo and Gian-Carlo Rota. 
 - Prelim. ed. 
 - Cambridge, Mass.,  M.I.T. Press  [1970] 
 - 1 v. (various pagings)  illus. 
<br/><br/><label>ISBN: </label>0262530163 
<br/><br/><label>Subjects--Index Terms: </label>Combinatorial theory  Combinatorial geometry 
<br/><br/><label>Universal Decimal Class. No.: </label>519.212  / CRA