Takahashi, T.; Goddard, J. G.; Chipman, D. W. & Rubin, S. I. Measurements of the total CO[sub 2] concentration and partial pressure of CO[sub 2] in seawater during WOCE expeditions in the South Pacific Ocean, report, June 29, 1993; (https://digital.library.unt.edu/ark:/67531/metadc1104686/m1/1/: accessed April 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .