Crapo Henry H <br/><br/>
On the foundations of combinatorial theory:Combinatorial geometries 

 - Cambridge  TheMIT Press          1979 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>30390 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial geometry
<br/><br/><label>Dewey Class. No.: </label>B6-217, L9