Laszlo, Erwin <br/><br/>
The Relevance of General Systems Theory  : papers presented to ludwing von bertalanffy on his seventieth birthday 

 - 5. edic. 
 - New York, Estados Unidos  Goerge Braziller  1972 
 - 213 
<br/><br/><label>ISBN: </label>8076-0658-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencia<br/>Teorķa de Sistemas