Leenhouts, P. W. <br/><br/>
A guide to the practice of herbarium taxonomy 

 -  International Bureau of Plant Taxonomy and Nomenclature  1968 
 - 60p.  ill.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>LC Class. No.: </label>PAM QK96.R4