Theory of hierarchical, multilevel systems 

 - New York :  Academic Press,  1970 
 - 294 p 
 - Mathematics in science and engineering  ; 68 .
 - Mathematics in science and engineering  ; 68 .
<br/><br/><label>LCCN: </label>34713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sistemas.
<br/><br/><label>Dewey Class. No.: </label>003  / M4