Murota, Kazuo <br/><br/>
Systems analysis by graphs and matroids: structural solvability and controllability 

 - New York: Springer-Verlag  1987 
 - ix,281p.,54 fig.  22 cm. 
 - Algorithms and combinatorics .
<br/><br/><label>ISBN: </label>3540176594 
<br/><br/><label>Dewey Class. No.: </label>003,  / mur