References
- Berland, B. R. et al., 1976: Bactéries hétérotrophes aérobies prélevées devant la delta du Rhône. — Hydrobiologia 50: 3–10.
- Daubner, I. & Peter, H., 1974: Membranfilter in der Mikrobiologie des Wassers. — Walter de Gruyter, Berlin/New York.
- Donderski, W. & Tržilová, B., 1977: Comparison of metabolic activity in heterotrophic bacteria isolated directly from water and by the plate method. — Biológia (Bratislava) 32: 689–695.
- Godlewska-Lipowa, W., 1974: Heterotrophic activity of bacterial microflora in Mazurian lakes of various trophy. — Pol. Arch. Hydrobiol. 21: 51–58.
- Lowry, H. O. et al., 1951: Protein measurement whith the FOLIN phenol reagent. — J. Biol. Chem. 193: 265–275.
- Reichardt, W., 1975: Bacterial decomposition of different polysaccharides in a eutrophic lake. — Verh. Internat. Verein. Limnol. 19: 2636–2642.
- Strzelczyk, E. & Kamyszek, R., 1971: Preliminary studies on metabolic activity of bacteria isolated from water of two different lakes. — Zsesz. Nauk. UMK 3: 45–56.
- Strzelczyk, E., et al., 1975: Studies on metabolic activity of planktonic bacteria isolated from three lakes. — Acta Microbiol. Polon., Ser. B 3: 177–183.