Opitz R.Henn O. <br/><br/>
Lecture notes in operations research and mathematical systems 

 - Berlin  Springer Verlag        1970 
<br/><br/><label>Standard No.: </label>246,340 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:2:(B28), 113L0.1