共 14 条
- [12] Activities and results of the terrestrial effects program: Acid precipitation in ontario study (APIOS)[J] . S. N. Linzon.Water, Air, & Soil Pollution . 1986 (1)
- [13] Environmental science .2 Kupchella C E,Hyland M C. Allyn and Bacon, Inc . 1986
- [14] Acid precipitation in the Northeastern United States: pH and acidity .2 Galloway J N,Likens G E,Edgerton E S. Science . 1976