Biological monitoring in freshwaters : proceedings of a Seminar, Hamilton, 21-23 November 1984 - Pridmore, R. D.; Cooper, A. B. (Wellington, N.Z. : Water and Soil Directorate Ministry of Works and Development, 1985)
Keywords: AGUA POTABLE; RECURSOS HIDRICOS; CONTROL BIOLOGICO; CONTROL AMBIENTAL; CONGRESOS; NUEVA ZELANDA