R. Harriman
Harriman, R., Gene E. Likens, H. Hultberg, and C. Neal. 1994. “Influence of Management Practices in Catchments on Freshwater Acidification: Afforestation in the United Kingdom and North America”. In C. E. W. Steinberg and R. F. Wright (eds.). Acidification of Freshwater Ecosystems: Implications for the Future, 83-101. J. Wiley and Sons, Inc., New York.