>
A természeti kornyezet okologiai tényezoinek relativ értékelése (Elso megkozelités). (Relative evaluation of the ecological factors of the natural environment a first approximation)
(supprimer)
The author elaborates the first phase of the evaluation of natural potentials and resources, i.e. evaluates the types of individual factors (subsurface rocks, relief, climate, availability of water, soils, natural and cultivated vegetation