Raatz, Stan <br/><br/>
Graph-based proof procedures for horn clauses 
Stan Raatz 
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 - Birkhauser, Boston  1990 
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 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>004  RAA-G