Davis, P. H. Heywood, V. H. <br/><br/>
Principles of angiosperms taxonomy / 
by P. H. Davis and V. H. Heywood 
 - London :  Oliver & Boyd,  1963. 
 - 556 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany <br/>Angiosperm<br/>Taxonomy 
<br/><br/><label>Dewey Class. No.: </label>582.13   / DAV-P