Geobotany :  proceedings of the Geobotany Conference held at Bowling Green State University, Bowling Green, Ohio, February 21, 1976 / 
edited by Robert C. Romans 
 - New York :  Plenum Press,  1977 
 - viii, 308 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0306310074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany--North America--Congresses<br/>Botany--North America--Congresses<br/>Phytogeography--North America--Congresses