A Geologic time scale assisted by K.E. Fancett 
W.B. Harland ... [et al.] 
 - Cambridge [England]  Cambridge University Press  c1982 
 - xi, 131 p.  ill.  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological time
<br/><br/><label>Dewey Class. No.: </label>551.7  / 01