Food and agriculture organization of the United Nations
/ prepared with the support of FAO Norway Government Cooperative Programme
. - Rome : FAO, 1981
. - VI-105 p. : ill., couv. ill. ; 28 cm.
- FAO forestry paper 24 .
9251010463
Fonds S.600
634.0 32
9251010463
Fonds S.600
634.0 32