P.R. Bell  <br/><br/>
The Archegoniate Revolution:  Repr. from ''Sci. Prog.'', vol. 58 

 - Oxford:  1970 
 - p. 27-45,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Offprint--Flora--England--1970--Science--Botany