Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania
Print Book, English, 1997
U.S. G.P.O.] ; For sale by the U.S. Geological Survey, Branch of Information Services, [Washington, D.C., Denver CO, 1997
1 vol. (V-99 p.) : ill. ; 28 cm.
9780607872071, 0607872071
492086351