Eggener, C.L., and Polkowski, L. (1976). "Network Modeling and the Impact of Modeling Assumptions." Journal of the American Water Works Association, Vol. 68, No. 4, pp. 189-196.
EPANET2 User's Manual. United States Environmental Protection Agency. 2000.
Jung, B., Boulos, P.F., and Wood, D.J. (2007). "Impacts of Skeletonization on Distribution System Hydraulic Transient Models." World Environmental and Water Resources Congress 2007: Restoring Our Natural Habitat. American Society of Civil Engineers.
KOSIS, Korean Statistical Information Service, Statistics Report of the Waterworks, 2012. (http://kosis.kr/wnsearch/totalSearch.jsp)
Lee, J.P. (2004). Trasient Analysis Using Skeletonization Method in Pipeline System. Department of Environmental Engineering Graduate School, Pusan National University, Busan, Korea. pp. 53-87.
MATLAB User's Manual. The MathWorks, Inc. 2000.
Raczynski, A., Kirkpatrick, W., Rehnstrom, D., Boulos, P., and Lansey, K. (2008). "Developing Hydraulic and Water Quality Equivalent Systems." Proceedings of the 10th Annual Water Distribution Systems Analysis Conference WDSA2008. August 17-20, 2008, Kruger National Park, South Africa.