KREHER, D L <br/><br/>
COMBINATORIAL ALGORITHMS:GENERATION,ENUMERATION AND SEARCH 

 - NEW YORK  CRC  1999 
 - vii+329p.,23X15Cms. 
<br/><br/><label>ISBN: </label>084933988X 
<br/><br/><label>Dewey Class. No.: </label>511.6 K92