Douglas, N. K., & Byrne, R. H. (2017). Spectrophotometric pH measurements from river to sea: Calibration of mCP for 0 ≤S≤ 40 and 278.15 ≤T≤ 308.15 K. Marine Chemistry, 197, 64–69. doi:10.1016/j.marchem.2017.10.001