Obruchev, V. <br/><br/>
Fundamental of Geology 
/ by V. Obruchev 
 - Moscow:  Foreign Languages Publishing House, 
 - 373p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>550  / OBR/F