Urbanc, M., A. Printsmann, H. Palang, E. Skowronek, W. Woloszyn, and Éva Konkoly Gyuró. “Comprehension of Rapidly Transforming Landscapes of Central and Eastern Europe in the 20th Century”. Acta Geographica Slovenica, vol. 44, no. 2, Dec. 2004, pp. 101–131, doi:10.3986/AGS44204.