People and protected areas in the Hindu Kush-Himalaya
1985
McNeely, Jeffrey A. |
Thorsell, J. W. |
Chalise, Suresh R. |
Mountain ecosystems
Der Himalaya
1975
Nicolson, Nigel |
Der Schweizerische Nationalpark
Schloeth, Robert |
Russland : Wüsten und Berge
1975
St. George, George |
Parque nacional de Ordesa
1965
Fernández-Reyes Molina, José |
Los parques nacionales españoles
1975
Blas Aritio, Luis |
Alpe Veglia parco naturale
1971
Bedoni, Giulio |
Bossi, Renzo |
Daverio, Arialdo |
La Montagna italiana : problemi e prospettive
1967
Pizzigallo, Vitantonio |
Le parc national des Ecrins
1983
Birman, Liliane |