Ager, D. V. <br/><br/>
Introducing geology :  the earth's crust considered as history / 
by D. V. Ager. 
 - London :  Faber and Faber,  1975. 
 - 256 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0571048587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.<br/>Geology--z United Kingdom.