European directory of text retrieval soffware / 
compiled and edited by Joanna Wood and Caroline More 
 - Hampshire :  Gower Publishing,  1993 
 - 380 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0566074656  RM195.30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Text processing (Computer science)<br/>Information storage and retrieval systems--Catalogs<br/>Computer software--Catalogs