Study of zooplanktonic community of Guarapiranga Reservoir, 1991/92: ecological aspects...

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Contribution to the knowledge of the algicide action of copper sulphate, especially...

Study of disturbances of the balance of aquatic microscopic ecosystems as a method...

Onion roots test for evaluation of toxicity of industrial effluents

Environmental education diagnosis at public schools in Billings Reservoir spring...

Treatment of domestic sewage by upflow anaerobic reactor and UASB reactor sludge...