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Water resources data for Minnesota : water year 1980
(Geological Survey, 1980)
Estudio de la contaminación del río Aconcagua
(CORFO, 1971)
GEMS Water data evaluation report 1983
(GEMS, 1983)
GEMS Water data summary
(GEMS, 1983)
Manual on water-quality monitoring : planning and implementation of sampling and field testing
(Secretariat of the World Meteorological Organization, 1988)
Water quality : characteristics, modeling, modification
(Addison-Wesley, 1987)
Principles of hydrology
(McGraw-Hill, 1990)