Dilcher, David L. <br/><br/>
Biostratigraphy of fossil plants  edited by D.L. Dilcher, T.N. Taylor. 

 - Pennsylvania  Dowden Hutchinson and Ross 
 - xii, 259p. 
<br/><br/> M. 
<br/><br/><label>ISBN: </label>0-87933-373-1. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology Plant, Fossils  Stratigraphic, Biology. 
<br/><br/><label>Dewey Class. No.: </label>560.17  / D45B