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Filters: Keyword is maintenance and Author is Pisani, J.E. du  [Clear All Filters]
Pisani, J.E. du, Operation and maintenance of solids-free sewer (SFS) systems in South Africa : guidelines for engineers, vol. no. TT 97/98. Pretoria, South Africa: Water Research Commission, WRC, 1998, p. viii, 19 p. : 1 tab.
Linde, J.A. van der y Pisani, J.E. du, «Greater Hermanus settled sewerage project». Council for Scientific and Industrial Research (CSIR), Pretoria, South Africa, p. 6 p. : 7 tab., 1997.