Grintgaten in Limburg : Wensen voor de inrichting van de Limburgse Maas
1971
Recreational areas
Nacionalni parkovi jugoslavije kao sume sa posebnom namenom i njihov znacaj za turizam
1972
Stajic, Slobodan |
Reserve naturali italiane : situazione e proposte di tutela dei poteri pubblici
1973
Pavan, Mario |
Erforschung des Naturlehrparks Haus Wildenrath
1982
Dahmen, F. W. |
Recreational uses of coastal areas : a research project
1990
Fabbri, Paolo |
The biological resource potential of the Kukut area of Lake Songkhla, southern Thailand. The Kukut Project : first annual repport 1983/1984
1984
Marshall, Adrian G. |
Management and development plan - Caura recreation park : with special emphasis on land-use in the Tacarigua Valley
1983
Meganck, Richard Albert |
Kisto, Laukeshwar |
Persad, Sintra |