Eicher, Don L. <br/><br/>
Geologic time / 
Don L. Eicher 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1976 
 - 150 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 141-144 
<br/><br/><label>ISBN: </label>0133524922 
<br/><br/><label>LCCN: </label>75-025824 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological time<br/>Geology, Stratigraphic