TY  - BOOK
AU  - Duggar, D.M.
TI  - Plant Physiology: Rural Text Book Series
U1  - 581.1 
PY  - 1911///
CY  - New York
PB  - The Macmillan Company, New York
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Plant physiology
ER  -