An interpretation of differences between field and laboratory pH values reported by the National Atmospheric Deposition Program/National Trends Network monitoring program
1989 ◽
Vol 23
(7)
◽
pp. 881-887
◽
Results of intercomparison studies for the measurement of pH and specific conductance at National Atmospheric Deposition Program/National Trends Network monitoring sites, October 1981-October 1985
1987 ◽
1993 ◽
1990 ◽
2003 ◽