Francis, John Charles,  1952- <br/><br/>
Causal reasoning :  a systems approach / 
John Charles Francis. 
 - Philadelphia :  Gordon and Breach Science Publishers,  1992. 
 - xv, 119 p. :  ill. ;  23 cm. 
 - Studies in cybernetics,  v. 23 .
<br/><br/>Includes bibliographical references (p. 109-115) and index. 
<br/><br/><label>ISBN: </label>2881248543 (softback)  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial intelligence.<br/>Reasoning.<br/>System theory.
<br/><br/><label>LC Class. No.: </label>Q335  / .F733