Ager, D. V. <br/><br/>
Introducing geology :  the earth's crust considered as history / 
by D. V. Ager. 
 - 2nd ed. 
 - London :  Faber,  1975. 
 - 256 p., [12] p. of plates :  ill., maps ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 239-241. 
<br/><br/><label>ISBN: </label>0571048579 :  0571048587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology.<br/>Geology--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>550  / AGI 1975