Hueber, Francis M. <br/><br/>
Megaspores and palynomorph from the lower potomac group in Virgin Virginia / 
Francis M.Hueker. 
 - City of Washington :  Smithsonian Institution Press,  1982. 
 - iii, 69 p. :  ill. ;  26 cm. 
 - Smithsonian contributions to paleobiology  no.49. .
<br/><br/>Bibliography : p. 19-20. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spores (Botany), Fossil.<br/>Palynology.<br/>Paleobotany--Cretaceous.<br/>Paleobotany--Viginia.