Llibrary of Congress classification. Class G Geography,Maps,Anthropology,Recreation 

 - Washington,D.C.  LC 
 - xii,435p.  26cm 
<br/><br/><label>ISBN: </label>ISBN 0-8444-0209-5  pbk 
<br/><br/><label>ISSN: </label>4th ed 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information systems Classification 
<br/><br/><label>LC Class. No.: </label>Z696.U5  / Ref/Staff