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Hoya del río Maule : estudio de la red fluviométrica
([DGA], 1977)
Hoya del río Rapel : estudio de la red fluviométrica
([DGA], 1977)
Hoya del río Itata : estudio de la red fluviométrica
([DGA], 1977)
Presentación del Instituto de la Calidad del Agua, Dinamarca : servicios ofrecidos
([Water Quality Institute, 1970)
Yearbook of the Federal Republic of Germany : calendar year 1969
(Federal Institute of Hydrology and the German Research Association, 1972)
Yearbook of the Federal Republic of Germany : calendar year 1970
(Federal Institute of Hydrology and the German Research Association, 1970)
Ninth biennial conference on ground water
(University of California, 1973)
Methodology for river - quality assement with aplication to the Williamette river basin, Oregon
(Geological Survey, 1976)