Obruchev, V. <br/><br/>
Fundamentals of geology  : popular outline 

 - Moscow  Foreign languages publishing house 
 - 372p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551  / OBR