Maddux, Roger D <br/><br/>
Relation algebras 
Roger D. Maddux 
 - Amsterdam  Elsevier  2006 
 - xxvi, 731 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780444520135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relation algebras
<br/><br/><label>Dewey Class. No.: </label>511.324 MAD