Guide to the card service and classification scheme / 
International Occupational Safety and Health Information Centre 
 - Geneva :  CIS,  1960 
 - 47 p. ;  27 cm. 
<br/><br/><label>ISBN: </label> USD 70.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library catalogs<br/>Classification--Books<br/>Library science
<br/><br/><label>Dewey Class. No.: </label>025.4633182