Data acquisition Cost-effective methods for obtaining data on water quality

Mar, B. W., Horner, R. R., Richey, J. S., Palmer, R. N., & Lettenmaier, D. P. (1986). Data acquisition Cost-effective methods for obtaining data on water quality. Environmental Science and Technology, 20(6), 545–551. https://doi.org/10.1021/es00148a002