The aim of the study was to assess the non-dietary exposure of Zabrze residents to the heavy metals contained in the post-mining waste stored in this city in the form of heaps. The samples of waste material taken from five heaps located in Zabrze, were subjected to the ...

Pośród wielu statystyk dotyczących nauki, nazywanych naukometrią, bibliometria zajmuje szczególne miejsce. Jest jedną z niewielu poddziedzin, skupiających się na mierzeniu wytwórczego wymiaru nauki. Zgodnie z większością „historii” bibliometria zawdzięcza swój systematy...

The paper presents the problem related with the process of eutrophication, with special emphasis on dam reservoirs. Eutrophication is a global process, threatening the water ecosystem on every continent. It often leads to their degradation. Particularly vulnerable to eu...

Theorists of law and of social policy distinguish between the efficacy and the impact of laws and legislation. Efficacy concerns the achievement of the effects intended by law-makers. Impact refers to the actual consequences. At times, the two diverge. Sometimes, it is ...