Parks for life Report of the IVth world congress on National parks and protected areas 10-21 Feb.1992
IUCN
Parks for life Report of the IVth world congress on National parks and protected areas 10-21 Feb.1992 - Switzerland IUCN 1993 - 252p.
639.095487
Parks for life Report of the IVth world congress on National parks and protected areas 10-21 Feb.1992 - Switzerland IUCN 1993 - 252p.
639.095487
