Current bibliographic directory of the arts & science 

 - Philadelphia :  Institute for Scientific Information,  1980 
 - 2 v 
<br/><br/><label>LCCN: </label>24441 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Científicos--Directorios.
<br/><br/><label>Dewey Class. No.: </label>920  / I5