TY  - BOOK
AU  - Cooper, J. P. 
TI  - Photosynthesis and Productivity in different Environments 
SN  - 0521205735
U1  - 572.46 COO 
PY  - 1975///
CY  - London 
PB  - Cambridge University Press 
KW  - Photosynthesis- Congresses
ER  -