共 89 条
- [81] ULRICH B, 1983, EFFECTS ACCUMULATION, P27
- [82] WACHSMUTH EM, 1974, PENN STATE U SCH FOR, V8, P4
- [83] EFFECTS OF AMBIENT OZONE ON THE PRODUCTIVITY OF POPULUS-TREMULOIDES MICHX GROWN UNDER FIELD CONDITIONS [J]. CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1986, 16 (01): : 47 - 55
- [84] WEBB CD, 1987, IUFRO FOREST GROWTH
- [85] WILHOUR RG, 1977, US EPA600377001B EC, P635
- [87] 1986, ACID DEPOSITION LONG
- [88] 1984, ACIDIC DEPOSITION FO
- [89] 1986, EPA600884020AF ENV C