Thomas, Stephen N. <br/><br/>
Practical reasoning in natural language 

 - New Jersey :  Prentice-Hall, Inc.,  c1977. 
 - 280 p. 
<br/><br/><label>ISBN: </label>136920950 
<br/><br/><label>Dewey Class. No.: </label>CIR 160 T36 1977  / 1777