References
- Bernes, E. (ed.), 1985: Monitor 1985. The National Swedish Environmental Monitoring Programme (PMK). — National Swedish Environmental Protection Board.
- National Swedish Environmental Protection Board, 1986 a: Receiving water quality. — Guidelines 86:3 (in Swedish with an English summary).
- National Swedish Environmental Protection Board 1986 b: Receiving water quality. Description of methods. Part I. Methods of investigation for base-program. — Report 3108 (in Swedish).
- National Swedish Environmental Protection Board 1986 c: Receiving water quality. Description of methods. Part II. Methods of investigation for special Programmes. — Report 3109 (in Swedish).
- Olsén, P. & Svärd, B., 1987: Calculation of phosphorus transports as a foundation for decisions with regard to alternative solutions to handle waste-water from scattered residences. — Vatten, 43: 3–7.
- Vollenweider, R. A., 1975: Input — output models. — Schweiz. Z. Hydrol. 37: 53–84.