Lorens, Charles S.,  1928- <br/><br/>
Flowgraphs :  for the modeling and analysis of linear systems / 
Charles S. Lorens 
 - New York :  McGraw-Hill,  c1964 
 - ix, 178 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flowgraphs<br/>Linear programming
<br/><br/><label>Dewey Class. No.: </label>519.92