The effect of light levels on daily pattern of chlorophyll fluorescence and organic acid accumulation in the tropical CAM tree Clusia hilariana. - Franco,A..C..; Haag-Kerwer,A..; Herzog,B..; Grams,T..E..E..; Ball,E..; de Mattos,E..A..; Scarano,F..R..; Barreto,S..; Garcia,M..A..; Mantovani,A..; Lüttge,U.. (Trees, 1996)