AU  - Curtis,Otis F..
AU  - Clark, Daniel G.
TI  - Introduction to plant physiology / 
T2  - Mcgraw-hill publications in the botanical sciences
U1  - 581.1 
PY  - 1950///
CY  - New York : 
PB  - McGraw-Hill Book Company Inc , 
KW  - Plant Physiology
KW  - Physiology
ER  -