Albertson, M.L. et al. (1950). “Diffusion of submerged jets”, Transactions of the American Society of Civil Engineers, 115(1), 639-664.
Ardakanian, R. and Ghazali, A.A. (2003). “Pressure-leakage relation in urban water distribution systems”, In New Pipeline Technologies, Security, and Safety, Baltimore, Maryland, USA, 304-312.
Ashcroft, A. and Taylor, D. (1983). “The ups and downs of flow and pressure ups and downs of flow and pressure”, Surveyor, 162, 16-18.
American Water Works Association (AWWA), (1999). Water conservation guide book
no. 5, Water audits and leak detection, American Water Works Association (California-Nevada section) and Department of Water Resources Water Conservation Office.
Cassa, A.M., Van Zyl, J.E. and Laubscher, R.F. (2006). “A numerical investigation into the behaviour of leak openings in UPVC pipes under pressure”, In WISA2006 the Water Institute of Southern Africa Biennial Conference and Exhibition, South Africa.
Cassa, A. and van Zyl, J. (2008). “A numerical investigation into the behaviour of cracks in UPVC pipes under pressure”, 10th Annual Water Distribution Systems Analysis Conference, Kruger National Park, South Africa.
Cassa, A.M., Van Zyl, J.E. and Laubscher, R.F. (2010). “A numerical investigation into the effect of pressure on holes and cracks in water supply pipes”, Urban Water, 7(2), 109-120.
Cassa, A.M. and Van Zyl, J.E. (2013). “Predicting the head-leakage slope of cracks in pipes subject to elastic deformations”, Water Supply: Research and Technology- AQUA, 62(4), 214-223.
Cassa, A.M. and van Zyl, J.E. (2014). “Predicting the leakage exponents of elastically deforming cracks in pipes”, Procedia Engineering, 70, 302-310.
Coetzer, A.J., Van Zyl, J.E. and Clayton, C.R.I. (2006). “Experimental study of the hydraulics of small circular holes in water pipes”, Doctoral Dissertation, University of Johannesburg.
Coetzer, A.J., Van Zyl, J.E. and Clayton, C.R.I., (2008). “An experimental investigation into the turbulent-flow hydraulics of small circular holes in plastic pipes”, In 8th Annual Water Distribution Systems Analysis Symposium, Cincinnati, Ohio, U.S.A.
De Paola, F. and Giugni, M. (2012). “Leakages and pressure relations: an experimental research”, Drinking Water Engineering and Science Discussions, 5(1), 403-419.
De Paola, F., Galdiero, E., Giugni, M., Papa, R. and Urciuoli, G. (2014). “Experimental investigation on a buried leaking pipe”, Procedia Engineering, 89, 298-303.
De Marchis, M., Fontanazza, C., Freni, G., Notaro, V. and Puleo, V. (2016). “Experimental evidence of leaks in elastic pipes”, Water Resources Management, 30 (6), 2005-2019.
Farley, M., and Trow, S. (Eds.). (2003). Losses in water distribution networks: a practitioner's guide to assessment, monitoring and control, IWA Publishing, London.
Ferrante, M., Massari, C., Brunone, B. and Meniconi, S. (2013). “Leak behaviour in pressurized PVC pipes”, Water Science and Technology: Water Supply, 13(4), 987-992.
Ferrante, M., Massari, C., Cluni, F., Brunone, B., and Meniconi, S. (2009). “Leak discharge and strains in a polyethylene pipe”, Integrating Water Systems, 203-208, Laiden, Netherlands.
Ferrante, M., Massari, C., Brunone, B. and Meniconi, S. (2011). “Experimental evidence of hysteresis in the head–discharge relationship for a leak in a polyethylene pipe”, Hydraulic Engineering, 137(7), 775-780.
Ferrante, M. (2012). “Experimental investigation of the effects of pipe material on the leak head-discharge relationship”, Hydraulic Engineering, 138(8), 736-743.
Fox, S., Collins, R. and Boxall, J. (2016). “Physical investigation into the significance of ground conditions on dynamic leakage behaviour”, Water Supply: Research and Technology-AQUA, 65(2), 103-115.
Franchini, M. and Lanza, L., (2014). “Leakages in pipes: generalizing Torricelli's equation to deal with different elastic materials, diameters and orifice shape and dimensions”, Urban Water, 11(8), 678-695.
Greyvenstein, B. and Zyl, J.V. (2007). “An experimental investigation into the pressure-leakage relationship of some failed water pipes”, Water Supply: Research and Technology- AQUA, 56(2), 117-124.
Guo, S., Zhang, T.Q., Shao, W.Y., Zhu, D.Z. and Duan, Y.Y. (2013). “Two-dimensional pipe leakage through a line crack in water distribution systems”, Zhejiang University Science A, 14(5), 371-376.
Lambert, A. (2001). “What do we know about pressure- leakage relationships in distribution systems?”, IWA Conference System Approach to Leakage Control and Water Distribution Systems Management, Brno, Czech Republic.
Latifi, M., Naeeni, S.T.O. and Mahdavi, A. (2017). “Experimental assessment of soil effects on the leakage discharge from polyethylene pipes”, Water Science and Technology: Water Supply, 18(2), 539-554.
May, J. (1994). “Pressure dependent leakage”, World Water and Environmental Engineering management, 17(8), 10.
Massari, C. (2012). “Diagnosis and hydraulic characterization of pressurized pipe systems”, Ph.D. Thesis, Department of Civil and Environmental Engineering, University of Perugia, Italy.
Massari, C., Ferrante, M., Brunone, B., and Meniconi, S. (2012). “Is the leak head–discharge relationship in polyethylene pipes a bijective function?”, Hydraulic Research, 50(4), 409-417.
Noack C. and Ullanicki, B. (2007). “Modelling of soil diffusibility on leakage characteristics of buried pipe”, 8th Annual Water Distribution Systems Analysis Symposium, Cincinnati, OH.
Sendil, U. and Al Dhowalia, K.H. (1992). “Relationship between pressure and leakage in a water distribution network”, Proceedings of the AWWA Annual Conference, Vancouver, BC.
Ssozi, E.N., Reddy, B.D. and Van Zyl, J.E. (2016). “Numerical investigation of the influence of viscoelastic deformation on the pressure-leakage behaviour of plastic pipes”, Hydraulic Engineering, 142(3), 04015057.
Standard, A.S.T.M. (2003). D638: Standard test method for tensile properties of plastics, ASTM International, West Conshohocken, PA.
Standard, A.S.T.M. (2008). D792: Test methods for density and specific gravity (relative density) of plastics by displacement, ASTM International, West Conshohocken, PA.
Standard, A.S.T.M. (2010). D695: Standard test method for compressive properties of rigid plastics, ASTM International, West Conshohocken, PA.
Standard, A.S.T.M. (2014). D3350: Standard specification for polyethylene plastics pipe and fittings materials, ASTM International, West Conshohocken, PA.
Streeter, V.L. (1962). Fluid mechanics, 3rd Edition, McGraw-Hill Book Company Inc., New York.
Thornton, J. (2003). “Managing leakage by managing pressure: A practical approach”, Water, 21(10), 43-44.
Thornton, J. and Lambert, A. (2005). “Progress in practical prediction of pressure: leakage, pressure: burst frequency and pressure: consumption relationships”, IWA Special Conference ‘Leakage 2005’, Halifax, Canada.
Walski, T., Whitman, B., Baron, M., and Gerloff, F. (2009). “Pressure vs. flow relationship for pipe leaks”, World Environmental and Water Resources Congress, 1-10, Kansas City, Missouri, U.S.A.