TY  - BOOK
AU  - "Cooper, J.P., Ed."
TI  - Photosynthesis and productivity in different environments (IBP No.3)
U1  - "581.132 ""1973-4""(082.2)   L5" 
PY  - 0000///London
CY  - 1975
PB  - Cambridge Univ. Press
ER  -