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Commercial fish production in the Great Lakes : 1867-1960
Baldwin, Norman S., (1962)
A review of the Japanese salmon fishery
Day, Albert M., (1957)
Condiciones en que se desenvuelven las actividades pesqueras en algunas regiones del Oriente venezolano
Casanova, Jorge A., (1957)
Development and the environment in the Senegal basin under the OMVS Treaty
Okidi, Charles O., (1987)
Development and the environment in Kagera basin under the Rusumo Treaty
Okidi, Charles O., (1986)
Development and the environment in the Western Indian Ocean region : problems and research agenda