Chlorophyll a fluorescence senses water and NaCl fluxes across plasma membranes of cyanobacterium Synechococcus sp PCC7942 - Stamatakis, K; Ladas, N; Alygizaki-Zorba, A; Papageorgiou, GC (PHOTOSYNTHESIS: MECHANISMS AND EFFECTS, VOLS I-V, 1998)