Hafner, Carole D. <br/><br/>
Information retrieval system: based on a computer model of legal knowledge 
by Carole D. Hafner 
 - Ann Arbor  Umi Research Press  1981 
 - 179p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Negotiable instruments --United States --Data processing<br/>Information storage and retrieval systems --Law --United States
<br/><br/><label>Dewey Class. No.: </label>I5371x73 H119