共 29 条
[1]
Abrahamsen G., 1980, Ecological impact of acid precipitation. Proceedings of an International Conference, Sandefjord, Norway, March 11-14, 1980., P58
[2]
ARONSSON A, 1985, SKOGSFAKTA K, V8
[3]
Arovaara H., 1984, COMMUN I FOREST FENN, V122, P1
[4]
BENGTSSON G, 1985, 1985 IUFRO C INV MON
[5]
BENGTSSON G, 1985, SKOGSFAKTA K, V8
[6]
CHRISTOPHERSEN N, 1982, THESIS U OSLO NORWAY
[7]
Drablos D, 1980, ECOLOGICAL IMPACT AC
[8]
DRABLOS D, 1980, ECOLOGICAL IMPACT AC, P190
[9]
ERIKSSON H, 1985, SKOGSFAKTA K, V8
[10]
FARRELL EP, 1980, ECOLOGICAL IMPACT AC, P186