Lancaster, F. Wilfrid  1933- <br/><br/>
Vocabulary control for information retrieval / 
by F. W. Lancaster 
 - Washington :  Information Resources Press,  1972 
 - xiii, 233 p. :  ill. ;  29 cm. 
<br/><br/>Bibliography: p. 227-228. 
<br/><br/><label>ISBN: </label>0878150064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information retrieval<br/>Subject cataloging<br/>Indexing<br/>Thesauri