1. Evaporation and evapotranspiration in Nigeria;Ayoade;Journal of Tropical Geography,1976
2. The world water balance: mean annual global, continental and maritime precipitation, evaporation and runoff;Baumgartner,1975
3. The importance of rainfall and soil moisture in the agricultural development of the closed forest zone of Ghana;Benneh;International Association of Scientific Hydrology Publication,1971
4. Water balance elements in Tucuman Province;Bruchmann;Revista Agronomica de Noroeste Argentino,1972
5. Atlas climatique du Bassin Congolais: Part 2 Components of the water balance;Bultot,1971