TY  - BOOK
AU  - J GROEN
TI  - PHOTOSYNTHESIS OF CALENDULA OFFICINALIS L. AND IMPATIENS PARVIFLORA DC., AS INFLUENCED BY LIGHT INTENSITY DURING GROWTH AND A
U1  - P581.13342G893P 
PY  - 1973///
CY  - WAGENINGEN
PB  - H. VEENMAN R ZONEN
KW  - PHOTOSYNTHESIS OF CALENDULA OFFICINALIS L. AND IMPATIENS PARVIFLORA DC., AS INFLUENCED BY LIGHT INTENSITY DURING GROWTH AND AGE OF LEAVES AND PLANTS
ER  -