1. Butko P and Szalay L, 1986. Effect of glycerol on the low-temperature fluorescence spectra of green algae. Acta Biochimica et Biophysica Hungarica 21: 391–395.
2. Butler WL and Strasser RJ, 1977. Does the rate of cooling affect fluorescence properties of chloroplasts at -196 °С Biochimica et Biophysica Acta 462: 283–289.
3. Govindjee, Amesz J and Fork DC, 1986. Light emission by plants and bacteria. Academic Press, Orlando — San Diego — New York — Austin — Boston — London — Sydney — Tokyo — Toronto.
4. Harnischfeger G, 1977. The use of fluorescence emission at 77 oK in the analysis of the photosynthetic apparatus of higher plants and algae. Advances in Botanical Research 5: 1–52.
5. Harnischfeger G, 1979. Connection between the rate of cooling and fluorescence properties at 77 K of isolated chloroplasts. Biochimica et Biophysica Acta 546: 348–355.