1. Aladin, N. V.; Williams, W. D. (1993). Recent Changes in the Biota of the Aral Sea, Central Asia. Proceedings of the International Association for Theoretical and Applied Limnology, Barcelona, 1992.
2. Budyko, M.; Sedunov, Y. — Antropogenic Climatic Changes. In Karpe, J. J, Otten, D; Trindade, S. C. (eds) — Climate and Development, Springer-Verlag, Berlin, p 270–284.
3. Chub, V. 1994 — Review of the Scientific and Environmental Issues of the Aral Sea Basin. NATO Advanced Research Workshop on “Critical Scientific Issues of the Aral Sea Basin: State of Knowledge and Future Research Needs”, Tashkent.
4. Cunha, L. V. da 1992 — Mundanças Climaticas e Recursos Hidricos (Climate Change and Water Resources). 1st Water Congress, Lisbon.
5. Glasovsky, N. F. 1992 — Salt Balance of Aral Sea. Geo Journal.