References
- Afif, A. A. & Clark, V., 1984: Computer aided multivariate analysis. — Lifetime Learning Publ., California, 458 pp.
- Araujo, J. L. B. De, Mation, H. & Silva, L. G., 1985: Statistical model to the monitoring of the sanitary conditions of the Billings Reservoir. — Rev. DAE. 45: 21–39. (in Portuguese).
- CETESB, 1994: Inland water quality report of São Paulo State. 1993. — CETESB, São Paulo, 225 pp. (in Portuguese).
- CETESB 1995: Sublittoral and profundal benthos of the Billings Reservoir (SP). — Technical report, CETESB, São Paulo (in Portuguese).
- Shin, P. K. S., 1982: Multiple discriminant analysis of macrobenthic infaunal assemblages. — J. exp. Mar. Biol. Ecol. 59: 39–50.
- Washington, H. G., 1984: Diversity, biotic and similarity indices — a review with special relevance to aquatic ecosystem. — Water Res. 18: 653–694.
- Wiederholm, T., 1980: Use of benthos in lake monitoring. — J.W.P.C.F. 52: 537–547.