Verma, S. P. (1986). Fluid-mineral equilibrium in hydrothermal systems / R.W. Henley, A. H. Truesdell, P.B. Barton Jr. , J.A. Whitney. Geofísica Internacional, 25(3), 477–479. https://doi.org/10.22201/igeof.00167169p.1986.25.3.1067