1. Armitage, P. D., D., Moss, J. F., Wright & M. T., Furse, 1983. The performance of a new biological water quality score system based on macroinvertebrates over a wide range of unpolluted running-water sites. Water Res. 17: 333?347.
2. Basaguren, A. & E., Orive, 1990. The relationship between water quality and caddisfly assemblage structure in fast-running rivers. The River Cadagua basin. Environ. Monit. Assess. 15: 35?48.
3. Brock, D. A., 1977. Comparison of community similarity indexes. J. Water Pollut. Control Fed. 49: 2488?2494.
4. Butler, G. C., B. G., Bennett, D. R., Miller, J. K., Piotrowski & A., Sors, 1985. Methods for estimating exposure to chemicals. In: V.B., Vouk, G.C., Butler, D.G., Hoel & D.B., Peakall (eds),Methods for Estimating Risk of Chemical Injury: Human and Non-human Biota and Ecosystems. pp. 7?28. John Wiley & Sons, New York.
5. Cairns, J.Jr, 1981. Biological monitoring. Part VI ? Future needs. Water Res. 15: 941?952.