World databases in medicine 
edited by C. J. Armstrong. 
 - London  Bowker-Saur  1993 
 - v. : ill. ; 31 cm. 
<br/><br/><label>ISBN: </label>0862916135 
<br/><br/><label>LCCN: </label>93-24073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information systems--Directories