1. D. G. Kröger, Air-Cooled Heat Exchangers and Cooling Towers (Penn Well Corporation, Tulsa, 2004).
2. Solution of heat and mass transfer in counterflow wet-cooling tower fills
3. A critical investigation into the heat and mass transfer analysis of counterflow wet-cooling towers
4. N. J. Williamson, “Numerical modelling of heat and mass transfer and optimisation of natural draft wet cooling tower,” Ph.D. thesis, University of Sydney 2008.
5. T. Hyhlík, “Calculation of merkel number in the merkel’s model of counterflow wet-cooling tower fill,” in Topical Problems of Fluid Mechanics 2013, edited by D. Šimurda and T. Bodnár (Institute of Thermomechanics AS CR, Prague, 2013), pp. 29–32.