Manual of online search strategies 
edited by C. J. Armstrong and J. A. Large 
 - 2nd ed. 
 - Aldershot, Hants  Ashgate  1992 
 - 699 p. ; 25 cm. 
<br/><br/>Bibliography: p. 655-656. 
<br/><br/><label>ISBN: </label>1857420071 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems<br/>On--line data processing