Abrahamsen G.
Effects of acidic deposition on forest soils and vegetation. Philosophical Transactions of the Royal Society of London B. 1984 ;305:369-382.
Sutton MA, Milford C, Dragosits U, Place CJ, Singles RJ, Smith RI, Pitcairn CER, Fowler D, Hill J, ApSimon HM, et al. Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability. Environmental Pollutution (Nitrogen Conference Special Issue). 1998 ;102:349-361.
Ling KA, Ashmore MR.
Acid Rain and Trees. Focus on Nature Conservation No. 19. . 1987 .