Gorshkov, G. <br/><br/>
Physical geology :  translated from the russian / 
 Общая геология 
G. Gorshkov, A. Yakushova, trans. by V.V. Shiffer. 
 - Moscow :  Mir,  1977. 
 - 690 p. 
<br/><br/>Subject index p. 680 - 690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Геология
<br/><br/><label>Subjects--Index Terms: </label>the age of the earth methods of investigation