Claudy, Nicholas H. de <br/><br/>
International directory of geoscience information 

 - 2a ed. 
 - Alexandria, VA  American Geological Institute  1996 
 - 168 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIRECTORIOS<br/>GEOLOGIA<br/>INSTITUCIONES
<br/><br/><label>Universal Decimal Class. No.: </label>R/55(058.7)/C59