Gran Enciclopedia Rialp,  
G E R /  
 - Madrid :   Ediciones Rialp ,   c1981. 
 - 24 v.  ill.;  29 cm. 
<br/><br/> On cover: G E R. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>843219011X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enciclopedias and dictionaries, Spanish.
<br/><br/><label>LC Class. No.: </label>AE61  / .G75 1981