Harland, W B  <br/><br/>
Geologic time scale 

 - Cambridge:   Cambridge University Press,    1987 
 - xi, 131p.  
 - Cambridge earth science series .
<br/><br/><label>ISBN: </label>9780521247283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology 
<br/><br/><label>Subjects--Index Terms: </label>Allgemeine Evolution 
<br/><br/><label>Universal Decimal Class. No.: </label>R 551.7.03  / M3