From Citizendium, the Citizens' Compendium
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- G.E. Likens, T. J. Butler, and D. C. Buso (2000). "Long- and short-term changes in sulfate deposition: effects of the 1990 Clean Air Act Amendments", Biogeochemistry, (52)1:1-11.
- G.E. Likens, F. H. Bormann, and N. M. Johnson (1972). "Acid rain", Environment 14:33-40.
- G.E. Likens, C. T. Driscoll, and D. C. Buso (1996). "Long-term effects of acid rain: Response and recovery of a forest ecosystem", Science 272:244-246.