Das Schutzgebiet Mettmenhaslisee, Niederhasli
1968
Zeller, Willy |
General descriptions
Nacionalni Park Plitvicka Jezera
1967
Ceranic, Vladimir |
Rojko, Pavao |
National parks of Western Europe
1983
Waycott, Angus |
Sarek, Stora Sjöfallet, Padjelanta, drei Nationalparks in Schwedisch Lappland
1968
Curry-Lindahl, Kai |
Guias de los sitios naturales de interés nacional
Hernandez-Pacheco, Eduardo |
De España, Arnaldo |
Delgado Ubeda, J. |
Parque nacional de Ordesa
1965
Fernández-Reyes Molina, José |
I parchi nazionali in Italia
1965
Giacomini, Valerio |
Feliciani, Aldo |
Bortolotti, Lucio |
Alpe Veglia parco naturale
1971
Bedoni, Giulio |
Bossi, Renzo |
Daverio, Arialdo |
National parks in Sweden : Europe's last wilderness
1988
Bingman, Ingvar |
Grundsten, Claes |
Richesses de la nature : réserves et parcs naturels
1973
Fischesser, Bernard |