Pierrie Berlioux, Philippe Bizard <br/><br/>
Algorithms :The Construction ,Proof And Analysis Of Programs 

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 -  John Wiley and Sons  1987 
 - 145 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-471-90844-4 
<br/><br/><label>Dewey Class. No.: </label>004.421