System maintenance June 24th between 9:00AM and 12:00PM CDT may cause brief service disruptions.

Raridon, R. J. & Moore, G. E. Properties of solutions. Water research program biennial progress report for the period March 15, 1968--March 15, 1970, report, August 1, 1973; (https://digital.library.unt.edu/ark:/67531/metadc1017142/m1/1/: accessed June 24, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .