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Úspory energie a ekologie. /
Water and energy 2001. : Needs, development, utilisation. International R and D conference.
Úspory energie a ekologie. 3.díl. /
Energy in the Soviet Union and Eastern Europe.
Environment of the Slovak Republic. /
Handbook of population /
Children and the environment. /
Coal and the environment.
Motoring and the environment.
Atlas of the environment /
State of the environment report Slovak Republic 2012
OECD and the environment
The Central and East European population since 1850 /
The Baltic Sea environment. Session 4, The Baltic region in history /
Legislative aspects of environment. /
Focus on the environment /
Europe`s environment. : The Dobříš assessment. /
1993 environment conference.