1. F. A. Forel’, Guide on Lake Research (General Limnology) (St. Petersburg, 1912) [in Russian].
2. A. I. Tikhomirov, Thermal Conditions of Large Lakes (Nauka, Leningrad, 1982) [in Russian].
3. G. H. Elliot, in Proceedings of the 12th Conference on Great Lakes Research (Univ. of Michigan, Ann Arbor, 1969), p. 545.
4. J. Malm, Doctoral Dissertation, (Lund Univ., Lund, 1994).
5. D. E. Farroy, J. Fluid Mech. 303, 279 (1995).