Tabla de Contenidos: “…About the Editors Editorial: Effects of Land Use on the Ecohydrology of River Basins in Accordance with Climate Change The Effects of Land Use on Concentrations of Nutrients and Selected Metals in Bottom Sediments and the Risk Assessment for Rivers of the Warta River Catchment, Poland Hydromorphological Inventory and Evaluation of the Upland Stream: Case Study of a Small Ungauged Catchment in Western Carpathians, Poland Use of Pedotransfer Functions in the Rosetta Model to Determine Saturated Hydraulic Conductivity (Ks) of Arable Soils: A Case Study Concept of Soil Moisture Ratio for Determining the Spatial Distribution of Soil Moisture Using Physiographic Parameters of a Basin and Artificial Neural Networks (ANNs) Rate of Fen-Peat Soil Subsidence Near Drainage Ditches (Central Poland) Impact of Land Use Changes on the Diversity and Conservation Status of the Vegetation of Mountain Grasslands (Polish Carpathians) Influence of Anthropogenic Load in River Basins on River Water Status: A Case Study in Lithuania Attribution Analysis of Climate and Anthropic Factors on Runoff and Vegetation Changes in the Source Area of the Yangtze River from 1982 to 2016 Quantitatively Calculating the Contribution of Vegetation Variation to Runoff in the Middle Reaches of Yellow River Using an Adjusted Budyko Formula Water Diversion in the Valley of Mexico Basin: An Environmental Transformation That Caused the Desiccation of Lake Texcoco…”

“…The paper seeks to answer the following questions: i) what is the impact on the sustainability of Poland’s pension system of the decrease in the pension contribution going to the second pension pillar from 7.3% to 2.3% in 2011; ii) what are the implications of the recent changes on gross replacement rates; iii) does the weakening of the Polish second pension system have a different impact on pension system sustainability than a similar move in a Hungarian-style pension system with a defined-benefit first pillar and iv) how does Estonia’s temporary decrease in pension contributions compensated by temporarily higher future rates affect pension sustainability in that country. …”

Tabla de Contenidos: “…-Armenia -- Belarus -- Bulgaria -- Croatia -- Czech Republic -- Estonia -- Hungary -- Kazakstan -- Latvia -- Lithuania -- Poland -- Romania -- Slovak Republic -- Slovenia -- Ukraine -- Participation in International Nuclear Treaties…”

Tabla de Contenidos: “…The Soviet Union -- Eastern Europe: Albania -- Bulgaria -- Czechoslovakia -- East Germany -- Hungary -- Poland -- Romania -- Yugoslavia -- China -- Cambodia -- Vietnam -- Cuba -- Nicaragua -- North Korea -- Ethiopia…”

Tabla de Contenidos: “…Introduction -- Peace and power in display -- Selling the Congress -- Salon networks -- Negotiating religion -- Europe in the wider world -- Between reaction and reform -- Poland, Saxony, and the crucible of diplomacy -- Conclusion…”

Tabla de Contenidos: “…Charlie’s Got Rhythm -- HOLLYWOOD JAZZ CONCERT / JAZZ CONCERT WEST COAST DEXTER GORDON - WARDELL GRAY/ BOPLAND BOYS: 4. The Hunt / 5. Bopera…”

Tabla de Contenidos: “…France, Britain -- The Soviet Union: The Ideological Enemy -- Czechoslovakia -- Romania -- Poland -- Hungary -- The Balkans: Yugoslavia, Albania, Bulgaria -- The Baltic States: Lithuania, Latvia, Estonia -- Timeline…”