Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania
| Váldodahkki: | |
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| Searvvušdahkkit: | , |
| Materiálatiipa: | Girji |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
[Washington, D.C., Denver CO
U.S. G.P.O.] For sale by the U.S. Geological Survey, Branch of Information Services
[2002]
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