Progress in botany :  morphology, physiology, genetics, taxonomy, geobotany  morphologie, physiologie, genetik, systematik, geobotanik / 
Heinz Ellenberg ... (et al.) 
 - Berlin :  Springer-Verlag,  1981 
 - v. ;  25 cm. 
<br/><br/><label>ISBN: </label>3540097694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany