References
- Anovski. T., Naumovski, J. & Kacurkov, P., 1980: A study of the origin of water of St. Naum Springs, Lake Ohrid. — Fizika 12, S2 165: 77–86.
- Carlson, R.E., 1977: A trophic state index for lakes. — Limnol. Oceanogr. 22: 361–369.
- Cvijic, J., 1911: Outline of Geography and Geology of Macedonia and Old Serbia. — Serbian Academy of Sciences, Belgrade Vol. Ill: 689–1271 pp. (in Serbian).
- Hadzisce, S., 1966: Das Mixiphänomen im Ohridsee im Laufe der Jahre 1941/42-1964/65. — Verh. Internat. Verein. Limnol. 16: 134–138.
- Hutchinson, G.E. & LÖFfler, H., 1956: The thermal classification of lakes. — Proc. Natl. Acad. Sci. Wash. 42: 84–86.
- Jovanovic, S., 1998: Dojran Lake-World cultural and natural heritage, yes or no? Proc. of the 1st Congr. of Ecologists of the Rep. of Macedonia. — Special iss. of the Macedonian Ecol. Soc. 5: 361–368.
- LÖFfler, H., Schiller, E., Kussel, E. & Kraill, H., 1998: Lake Prespa, a European natural monument, endangered by irrigation and eutrophication. — Hydrobiologia 384: 69–74.
- Naumoski, T.B., 2000: Phosphorus loading of Lake Ohrid. — Univ. St Cyril and Methodius &mdash Skopje, 173 pp. (in Macedonian with Engl. sum.).
- Naumoski, T.B., Novevska, V., Lokoska, L. & Mitic. V., 1997: Trophic state of Prespa Lake. — Proc. of Internat. Symp., “Towards Integrated Conservation and Sustainable Development of Transboundary Macro and Micro Prespa Lakes”. 132–137.
- Naumoski, T.B., Ocevski, B., Novevska, Vr, Mitic, V.R. & Lokoska, L.S., 2000: Long-term changes of the water quality of Lake Prespa. — Proc. of Internat. Symp. on sustainable development of Prespa region. 72–77.
- Petrovic, G., 1969: Metabolismus des Dojran-Sees. — Arch. Hydrobiol. 65: 436–493.
- Petrovic, G., 1975: Hydrochemical study of Lake Ohrid in respect of its metabolism. FNS Univ. of Skopje. Recueil des Travaux. Vol. XV, 3: 1–70 pp.
- Stankovic, S., 1960: The Balkan Lake Ohrid and its Living World. — W. Junk, Den Haag. Monogr. Biol. Vol. XI, 357 pp.
- Watzin, M.C., Puka, V. & Naumoski, T.B., 2002: Lake Ohrid and its Watershed, State of the environment Report. — Lake Ohrid Conservation Project. Tirana, Albania and Ohrid Macedonia, 134 pp.