1. Akima, H., A method of bivariate interpolation and smooth surface fitting for irregularly distributed data points, ACM Trans. Math. Software, 1978, vol. 4, no. 2, pp. 148–159.
2. Bazarov, M.I., Diurnal vertical migrations of freshwater fishes during fattening, Extended Abstract of Cand. Sci. (Biol.) Dissertation, Borok: Inst. Biol. Vnutr. Vod., Ross. Akad. Nauk, 2007.
3. Bazarov, M.I., Malinin, N.L., and Khal’ko, N.A., About diurnal vertical migrations of roach and perch in Gor’kovskoe reservoir, Inform. Byul. Inst. Biol. Vnutr. Vod., Akad. Nauk SSSR, 1988, no. 77, pp. 37–40.
4. Boikova, O.S., Feeding of fish in Lake Glubokoe, Hydrobiologia, 1986, vol. 141, pp. 95–111.
5. Boikova, O.S., Feeding of fishes and its influence on some elements of ecosystem of mesotrophic Glubokoe Lake, Extended Abstract of Cand. Sci. (Biol.) Dissertation, Moscow: Inst. Evol. Morfol. Ekol. Zhivotn., Akad. Nauk SSSR, 1987.