1. Hawaux, M., Stress Tolerance of Photosystem II in vivo. Antagonistic Effects of Water, Heat and Photoinhibition Stress. Physiol. Plant. 58, 424–432 (1992).
2. Hawkins, C.D.B. and Lister, G.R., In vivo Chlorophyll Fluorescence as a Possible Indicator of the Dormancy Stage in Douglas-Fir Seedlings, Can. J. Forest Research 15(4), 607–612 (1985).
3. Huner, N.P.A. and Oquist, G., Photosynthesis, Photoihnhibition and Low Temperature Acclimation in Cold Tolerant Plants, Photosynth. Res. 37, 19–39 (1993).
4. Janssen, L.H.J. and Hasselt, P.R., Influence of Growth Conditions of Chlorophyll a Fluorescence in Cold Tolerant Plants, Physiol. Plant. 79(2), 107 (1990).
5. Kazakov, L.K. and Matorin, D.N., Indication and Estimation of Ecological Situations in Industrial Regions, Ekologiya i promyshelnnost Rossii, No. 5, 32–36 (1998).