Starting-point and conditions for strategy of care of human environment

State conception of formation and protection of human environment and rational utilization of natural resources in ČSSR

Conception of formation and protection of human environment and rational utilization of natural resources of ČSR to the year 2000

Conception of formation and protection of human environment and rational utilization of natural resources in SSR

Indivisibility of the biosphere needs ecological safety

Aims and strategy of the care of human environment

Soil cultivability from the viewpoint of ecological principles of landscape management

Economical conditions of extraproductional functions of forests in forest management

Thermal pool in Nové Zámky and water protection of the Nitra river

Scientific-research expedition on the Danube