http://www.sswm.info/content/water-distribution-pipes
https://en.wikipedia.org/wiki/Water_pipe
http://www.freedompreppers.com/water.htm
http://www.fao.org/docrep/u3160e/u3160e07.htm#5.1 terrein en techniek selectie
http://www.nhmrc.gov.au/publications/synopses/eh19syn.htm.
https://en.wikipedia.org/wiki/Reservoir
http://goodwatercompany.com/
http://www.icold-cigb.org/GB/Dams/role_of_dams.asp
