Janzen, Daniel H. 1988a.
(Redirigido desde «Janzen, 1988a»)
Janzen, Daniel H. 1988a. There are differences between tropical and extra-tropical national parks. Oikos 51:121-123. Copenhagen
Janzen, Daniel H. 1988a. There are differences between tropical and extra-tropical national parks. Oikos 51:121-123. Copenhagen