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Showing papers by "Duncan Mara published in 1979"


Journal ArticleDOI
TL;DR: In this article, the authors presented the results obtained in northeastern Brazil from a series of five pilot scale ponds each having a retention time of 5 days-7 days, each having different depths and depths.
Abstract: In this note the authors will present the results obtained in northeastern Brazil from a series of five pilot scale ponds each having a retention time of 5 days-7 days.

16 citations