Library of Congress classification. Q. Science / 
 Science 
prepared by the Cataloging Policy and Support Office, Library Services. 
 - Washington, D.C. :  Library of Congress,  2004. 
 - 855 p. ;  26 cm. 
<br/><br/><label>ISBN: </label>0844410861 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clasificación de la Library of Congress<br/>Clasificación--Libros--Ciencia
<br/><br/><label>LC Class. No.: </label>C/Z696.U5  / Q3 2004