Probing photosynthesis on a picosecond time scale. Evidence for photosystem I and photosystem II fluorescence in chloroplasts.
Seibert M, Alfano RR. Probing photosynthesis on a picosecond time scale. Evidence for photosystem I and photosystem II fluorescence in chloroplasts. Biophys J. 1974 Apr; 14(4):269-83.