Brazil belongs to these countries where the growth of population is high, a fact which has become particularly evident in the present century. Among the characteristic features of Brazil’s special structure of population ...

In the paper the author has tried to analyse the growth of the population in Venezuela during the last forty-five years. He has examined the causes which had contributed to the tremendous increase of population in that ...

The rock debris material of the waste zone in Cretaceous rock within the NW part of the Nida Trough shows numerous traces of cryogenic perturbations. The latter were recognized and described as crevice formations and debris ...

The author discusses the differences in rural settlements within the Province of Oracow in the light of the social and professional structure of their inhabitants. The criterion for classifying villages into different ...

The article is founded upon experience derived from the authors’ stays with youth groups in Bulgaria: on the example of several routes they have been able to prove how within the same expense, the same time and following ...