TY  - BOOK
AU  - "Marcelle, R., Ed."
TI  - environmental and biological control of photosynthesis
U1  - "581.132.02""1974.8.26/30""(082.2)   L5" 
PY  - 0000///The Hague
CY  - 1975
PB  - Dr. W.Junt.B.U.
ER  -