Fahlman <br/><br/>
NETL: A System for Representing and Using Real-World Knowledge 

 -  MIT Press  2003 
<br/><br/> fulltext 
<br/><br/> Monograph 
<br/><br/><label>ISBN: </label>9780262256100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computing and Processing