TY  - BOOK
AU  - Bocher,Tyge W.
TI  - The leaf size of veronical officinalis in relation to genetic and en vironmental factors / 
U1  - 538.8 
PY  - 1944///
CY  - Denmark : 
PB  - Munksgaard, 
KW  - Veronica officinalis
KW  - Denmark
N1  -  Includes bibliographical references
ER  -