Manual of online search strategies / 
edited by C.J.Armstrong and J.A. Large 
 - Aldershot,England :  Gower,  1988. 
 - xv, 831 p. 
<br/><br/><label>LCCN: </label>44041398  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems<br/>Online data processing