Proceedings of the seventh International Botanical Congress 

 - Montreal   : International Botanical Congress,  1953 
 - 899p.   : ill.   ; 26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/> Congresses
<br/><br/><label>LC Class. No.: </label>QK1.I7