Kharun, M., Svintsov, A. P. and Mukarzel, S. A. (2016) “Method of Determining the Orifice Area of Valve Head Locking Pairs of Water Fittings”, Journal of Urban and Environmental Engineering, 10(1), pp. 57–61. doi: 10.4090/juee.2016.v10n1.57-61.