Study week on, man and his environment : tropical forests and the conservation of species, 14-18 May 1990 / organized in collaboration with the Royal Swedish Academy of Sciences ; edited by G.B. Martini-Bettòlo. (Pontificiae Academiae Scientiarum scripta varia ; 84)
Study week on, man and his environment : tropical forests and the conservation of species, 14-18 May 1990 / organized in collaboration with the Royal Swedish Academy of Sciences ; edited by G.B. Martini-Bettòlo.
(Pontificiae Academiae Scientiarum scripta varia ; 84)