1. A. O. Kalenchuk-Porkhanova, “System for modeling the state of water bodies of the Northwest Black Sea,” in: Proc. 2nd Congress of the Hydrobiological Society of Ukraine, Vol. 2, Kyiv (1997), 207–208.
2. V. I. Lavrik and A. A. Kalenchuk-Porkhanova, “A system for simulation modeling of the ecological state of river mouths, estuaries, and lakes of the North-Western Black Sea region,” in: Proc. Sci. Conf. “Diagnosis of the state of the Black Sea ecosystem and the land and sea interface zone,” Sevastopol (1997), pp. 88–89.
3. N. V. Basok, M. A. Khybyna, V. Ya. Khilchenko, and L. M. Yurachkivska, “System for modeling the state of water bodies,” in: Technical and System Environmental Monitoring Means, V. M. Glushkov Institute of Cybernetics of NAS of Ukraine, Kyiv (1998), pp. 46–51.
4. A. A. Kalenchuk-Porkhanova, “Approximation of functions of one and many variables,” in: Numerical Methods for the Multiprocessor Computer Complex ES [in Russian], Izd. VVIA im. N. E. Zhukovskogo (1987), pp. 366–395.
5. A. A. Kalenchuk-Porkhanova and L. P. Vakal, “On a method for transforming environmental information,” in: Hardware and Software Means of Environmental Monitoring Systems, V. M. Glushkov Institute of Cybernetics of NAS of Ukraine, Kyiv (1994), pp. 76–80.