共 78 条
- [71] [No title captured]
- [72] 1954, UNASYLVA, V8, P129
- [73] 1976, TIMBER B EUROPE S3, V24
- [74] 1963, WORLD FOREST INVENTO
- [75] 1948, UNASYLVA, V2, P161
- [76] 1980, FAO PRODUCTION YB
- [77] 1960, UNASYLVA, V14, P131
- [78] 1977, DESERTIFICATION ITS