Productivity of forest ecosystems; proceedings of the Brussssels symposium...
Duvigneaud, P.
Productivity of forest ecosystems; proceedings of the Brussssels symposium... - Paris : Unesco, 1971 - 707 p. : ilus. ; mapas - Ecology and conservation ; 4 . - Ecology and conservation ; 4 .
23605
Ecología forestal.
634.94 / D8
Productivity of forest ecosystems; proceedings of the Brussssels symposium... - Paris : Unesco, 1971 - 707 p. : ilus. ; mapas - Ecology and conservation ; 4 . - Ecology and conservation ; 4 .
23605
Ecología forestal.
634.94 / D8