National parks and protected areas : their role in environmental protection / Edited by R. Gerard Wright . - Mississauga : Blackwell Science, 1996
. - [2] f, XVI, 470 p. : il. ; 26 cm
0-86542-496-9
Parques Nacionais / Reservas Nacionais / Gestão De Ecossistemas / Canadá / Área protegida /
P01-20

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