Oliver, Ray. <br/><br/>
Rocas y fósiles 
Ray Oliver. 
 - Madrid  Editorial Debate  1993. 
 - 76 p.  col. ill., col. maps.  28 cm. 
 - Mis afficciones .
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>8474446449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Collection and preservation--Juvenile literature.<br/>Fossils--Collection and preservation.<br/>Rocks--Collection and preservation.<br/>Fossils--Collection and preservation--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QE433.6  / .O45 1993