Relation of nitrogen and phosphorus in ground water to land use in four subunits of the Potomac River basin
1992 ◽
Vol 15
(1)
◽
pp. 83
◽
Norbert A. Jaworski
◽
Peter M. Groffman
◽
Aimee A. Keller
◽
Jan C. Prager
William S.L. Banks
◽
Betzaida Reyes
Gerson C. Kroiz
◽
Reetam Majumder
◽
Matthias K. Gobbert
◽
Nagaraj K. Neerchal
◽
Kel Markert
◽
...
1989 ◽
Vol 70
(20)
◽
pp. 594
2011 ◽
Vol 18
(4)
◽
pp. 445-456
Patrick H. Graves
◽
Patrick J. Ciccotto
1997 ◽
Vol 33
(6)
◽
pp. 1155-1171
◽
Cherie V. Miller
◽
Janet M. Denis
◽
Scott W. Ator
◽
John W. Brakebill