Principles underlying subject heading languages (SHLs) / 
edited by Maria Ines Lopes and Julianne . 
 - Frankfurt :  IFLA UBCIM Programme,  1997. 
 - 171 p. ;  30 cm. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings--Poly lot.