Bocher, Tyge W. <br/><br/>
The leaf size of veronical officinalis in relation to genetic and en vironmental factors /    
Tyge W. Bocher. 
 - Denmark :   Munksgaard,   1944. 
 - 20 p. :    ill. ;    25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Veronica officinalis ----Denmark.----
<br/><br/><label>Dewey Class. No.: </label>538.8