SpringerLink (Online service), DeWalle, D. R., Hom, J. L., & Adams, M. B. The Fernow watershed acidification study.
Cita Chicago (17th ed.)SpringerLink (Online service), David R. DeWalle, John L. Hom, i Mary Beth Adams. The Fernow Watershed Acidification Study.
Cita MLA (8th ed.)SpringerLink (Online service), et al. The Fernow Watershed Acidification Study.
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