References
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- Almeida , M. C. , Melo Baptista , J. , Vieira , P. , Ribeiro , R. and Moura e Silva , A. Efficient use of water in Portugal: a national program . IWA, 4th World Water Congress . Marrakech , Morocco.
- Lambert , A. and Hirner , W. 2000 . Losses from water supply systems: standard terminology and recommended performance measurements , IWA .
- Prospectiva . 1999 . Study of tariffs, Report P791 , Lisbon : Prospecta–Projectos, Serviços, Estudo, Lda . [in Portuguese]
- Prospectiva . 2000 . Study of the residential consumption, by block structures, for the municipalites of the multi-municipal water supply system of Sotavento Algarvio, Report P835A , Lisbon : Prospecta–Projectos, Serviços, Estudo, Lda . [in Portuguese]