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Waste stabilization ponds / Earnest F. Gloyna.

by Gloyna, Earnest Frederick | World Health Organization.

Series: World Health Organization monograph series ; no. 60Material type: Text Text; Format: print Publication details: Geneva : World Health Organization, 1971Online access: Click here to access online | Click here to access online Availability: Items available for loan: WHO HQ (3)Call number: HQ SERIAL, ...

Surveillance of drinking-water quality.

by World Health Organization.

Series: World Health Organization monograph series ; no. 63Material type: Text Text; Format: print Publication details: Geneva : World Health Organization, 1976Online access: Click here to access online Availability: Items available for loan: WHO HQ (2)Call number: HQ SERIAL, ... Not available: WHO HQ: Withdrawn (1).

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