Bohdal, T., M. Kruzel, and M. Sikora. “An Investigation of Heat Transfer Coefficient During Refrigerants Condensation in Vertical Pipe Microchannel”. Journal of Mechanical and Energy Engineering, Vol. 1, no. 2, Nov. 2017, pp. 163-70, https://jmee.tu.koszalin.pl/ojs/index.php/jmee/article/view/37.