Evidence of recovery of Juniperus virginiana trees from sulfur pollution after the Clean Air Act

Thomas, Richard B. ; Spal, Scott E. ; Smith, Kenneth R. ; Nippert, Jesse B.

Proceedings of the National Academy of Sciences - PNAS, 2013-09, Vol.110 (38), p.15319-15324 [Periódico revisado por pares]

Washington, DC: National Academy of Sciences

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