Population, environment and energy.
Ochrana vody : Učebné texty na získanie odbornej spôsobilosti /
Perspectives on freshwater : issues and recommendations of NGO´s /
Úspory energie a ekologie. /
Energy and environment of the Slovak Republic in transition. /
Nitrates. : The threat to food and water. /
Úspory energie a ekologie. 3.díl. /
Energy in the Soviet Union and Eastern Europe.
Nuclear power. Shut it down! : An information pack on nuclear power and the alternatives. Vol. 1 /
Nuclear power. Shut it down! : An information pack on nuclear power and the alternatives. Vol. 2 /
Wetland systems in water pollution control. : Proceedings of the IAWO 3rd international specialist conference... /
Water. /
Water quality in experimental basins. /
Water quality and its control. /
Živá voda. Pracovné listy. 3. časť., Zápisník pozorovateľa.
Živá voda. Pracovné listy. 2. časť., Zápisník pozorovateľa.
Global water issues : a compendium of articles /
The drinking water handbook /
Water treatment and water supply. Part I., Water treatment /