Bertalannffy,Ludwig Von <br/><br/>
General system theory  : foundations, development, applications 
/ by Ludwig Von Bertalanffy 
. - New York  : G.Braziller, 1968
. - XV-289 p.  ; 21 cm. 
<br/><br/>bibliogr,index 
<br/><br/><label>Source: </label> Fonds FACAGRO 
<br/><br/><label>Universal Decimal Class. No.: </label>500.