Authors
- Andrzej Affek [a.affek@twarda.pan.pl], Institute of Geography and Spatial Organization Polish Academy of Sciences, 00-818 Warsaw, Twarda 51/55, Poland
- Stefan Witold Alexandrowicz
- Yurij Andreychuk, Lwowski Uniwersytet Narodowy im. Iwana Franki
- Andrzej Araźny