Developing local and regional environmental action plans : case studies of Bulgaria, the Czeck Republic, Hungary, Poland and the Slovak Republic
1996
Hak, Tomas |
Poland
Parcs nationaux et tourisme en Europe
1992
Richez, Gérard |
Implementing sustainable development : experiences in sustainable development administration
1995
Cooper, Phillip J. |
Vargas, Claudia Maria |
Le hibou Gran-Duc Bubo Bubo Linné en Pologne
1960
Ferens, Bronislaw |
The mute swan in Poland
1960
Sokolowski, Jan |
On monuments of inanimate nature in Poland
1960
Malkowski, Stanislaw |
The state and organization of nature conservation in Poland
1960
Szczesny, Tadeusz |
Conservation of natural resources
1960
Goetel, Walery |
Wykaz zwierzat Polski
1991
Razowski, Josef |