Berry, Edward W., <br/><br/>
Paleobotany: a sketch of the origin and evolution of floras / 
Edward Berry. 
 - 407 páginas :  il. 
 - Smithsonian report. Publication 2563 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>FLORA--EVOLUCION.<br/>FLORA--ORIGEN.<br/>PALEOBOTANICA.
<br/><br/><label>Dewey Class. No.: </label>FOLLETOS