Geología 
[por] José A. Agueda Villar ... [et al.]. 
 - Madrid  Rueda  D.L. 1977. 
 - 448 p.  ill.  24 cm. 
<br/><br/>Bibliography: p. 441-448. 
<br/><br/><label>ISBN: </label>8472070093  32.50 
<br/><br/><label>LCCN: </label>78391682  
<br/><br/><label>Nat. Bib. No.: </label>Sp78-Mar 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geology
<br/><br/><label>LC Class. No.: </label>QE28.2  / .G45 
<br/><br/><label>Dewey Class. No.: </label>551