Columbia subject headings:
Chlorophyll--Congresses.
Energy transfer--Congresses.
Photosynthesis--Congresses.
Harvard subject headings:
Chlorophyll--Congresses.
Energy transfer--Congresses
Photosynthesis--Congresses
Princeton subject headings:
Chlorophyll--Congresses.
Energy transfer--Congresses.
Photosynthesis--Congresses.