Briggs, D. <br/><br/>
Plant variation and evolution 

 - New York :  McGraw-Hill,  1969 
 - 256 p.  : ilus. ; gráfs. 
 - World University Library .
 - World University Library .
<br/><br/><label>LCCN: </label>24132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolución (Plantas)<br/>Variación (Botánica)
<br/><br/><label>Dewey Class. No.: </label>581.38  / B5