1. Preface Creator: Hvorecký, Juraj Format: bez média and svazek Type: model:article and TEXT Language: Slovak Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Water - source of life but also its threat: two views upon water, two motifs of science and research activities in the Institute of Hydrology, Slovak Academy of Sciences (IH SAS) during past fifty years Creator: Sútor, Július Format: bez média and svazek Type: model:article and TEXT Language: Slovak Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public