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Filters: Keyword is turbidity and Author is Hespanhol, I. [Clear All Filters]

1989

I. Hespanhol, «The role of natural polyelectrolytes as coagulant aids : experiments with extracts from cactus, aloe and marine algae in Brazil». World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 12, 30 p.: fig., 1989.

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