Text retrieval :  an introduction  

 - London :  Taylor Graham,  1987. 
 - 80 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0947568247 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Text processing (Computer science)<br/>Information storage and retrieval systems.