2019, vol. 21, no. 1

Title Author
Mining, Production and Development of Small Fractions of Gravel and Sand Aggregates in North-Western Poland Wiesław Kozioł, Ireneusz Baic
Assessment of the Impact of a Dammed Reservoir on Groundwater Levels in Adjacent Areas Based on the Przebędowo Reservoir Błażej Waligórski, Mariusz Korytowski, Piotr Stachowski, Krzysztof Otremba, Karolina Kraczkowska
An Empirical Study of the Variables Affecting the Frequency of Engine Oil Change in the Environmental Aspect Artur Wolak, Grzegorz Zając
Numerical Analysis of the Influence of the Angle of Inclination of the Screen on the Intensity of Heat Exchange from a Flat Heat Exchanger in a Partially Limited Space Magdalena Orłowska, Aleksander Szkarowski, Shirali Mamedov
Time and Space Variability of Water Quality in the Inner-city River in Lublin from the Aspect of Existing Natural and Land Use Conditions Tomasz Zubala
Impact of Street Sweeping and Washing on the PM10 and PM2.5 Concentrations in Cracow (Poland) Małgorzata Kryłów, Agnieszka Generowicz
Statistical Evaluation of Variation of the River Bug Water Chemical Contamination Katarzyna Rymuza, Elżbieta Radzka
Problems of Nitrogen Oxides Emission Decreasing from Marine Diesel Engines to Fulfill the Limit of Tier 3 Jerzy Herdzik
Water Needs of Bird Cherry Trees at the Period over Three Years after Reclamation in Different Regions of Poland Stanisław Rolbiecki, Piotr Stachowski, Barbara Jagosz, Anna Figas, Wiesław Ptach, Roman Rolbiecki, Wiesława Kasperska-Wołowicz, Vilda Grybauskiene, Andrzej Klimek, Krzysztof Dobosz, Janusz Dąbrowski
The Handling of Composted Onion Waste in the Form of Substrates for the Proliferation of the Trichoderma sp. Agnieszka Wolna-Maruwka, Alicja Niewiadomska, Tomasz Piechota, Krzysztof Karwatka, Agnieszka Anna Pilarska

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