References
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- NAS (National Academy of Science), 1980: The International ‘Mussel Watch’. — Report of a Workshop sponsored by the Environmental Studies Board Commission on Natural Resources Council, Washington, 248 pp.
- Phillips, D. J. H., 1980: Quantitative Aquatic Biological Indicators. — Applied Sciences Publishers, London, 488 pp.
- Siegel, S., 1975: Estatística não paramétrica. (Para as Ciências do Comportamento). — McGraw-Hill, São Paulo, 350 pp.
- Sokal, R. R. & Rohlf, F. J., 1979: Biometria. Principios y Métodos Estadísticos en la Investigación Biológica. — H. Blume, Madrid, 832 pp.
- Wardley-Smith, J., 1976: The Control of Oil Pollution on the Sea and Inland Waters. — Graham & Trotman, London, p. 47–81.