Harland, W. B.  <br/><br/>
A geologic time scale 
W. B. Harland 
 - Cambridge  Cambridge University Press  1982 
 - xi+131p.  appendix; figs; index; refs; tables 
 - Cambridge Earth Science Series .
<br/><br/><label>ISBN: </label>0-521-28919-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geologic Time-scale
<br/><br/><label>Universal Decimal Class. No.: </label>550.93  / HAR