Plant fossils in geological investigation :  the palaeozoic / 
editor, Christopher J. Cleal. 
 - New York :  Ellis Horwood,  c1991. 
 - 233 p. : ill. 
 - Ellis Horwood series in geology .
<br/><br/><label>ISBN: </label>0136808778 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany--Paleozoic.<br/>Paleontology, stratigraphic.<br/>Paleogeography.<br/>Paleoclimatology.