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Last edited by RenameBot
August 26, 2008 | History
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Richard Helmer

We need a photo of Richard Helmer

Born 1943

7 works Add another?

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  • Cover of: Water Pollution Control: A Guide to the Use of Water Quality Management Principles

    First published in 1998 — 2 editions
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  • Cover of: Global freshwater quality: a first assessment

    First published in 1990 — 2 editions
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  • Cover of: Water pollution control: a guide to the use of water quality management principles

    First published in 1997 — 1 edition
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  • Cover of: WHO/DANIDA course on surveillance and drinking-water quality in rural areas: course manual for use in Yogyakarta, Indonesia, 1988

    First published in 1988 — 1 edition
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  • Cover of: Sorption und mikrobieller Abbau in Bodenfiltern bei der Desodorisierung von Luftströmen.

    First published in 1972 — 1 edition
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  • Cover of: Weitergehende Abwasserreinigung

    First published in 1977 — 1 edition
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  • Cover of: Water pollution control: a guide to the use of water quality management principles

    First published in 1997 — 1 edition
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We need a photo of Richard Helmer

Born 1943

Subjects

Purification, Water, Water quality management, Water, purification, Air, Deodorization, Eau, Engineering, Environmental, Filters and filtration, Gestion, Gewässerschutz, Gewässerüberwachung, Nonfiction, Pollution, Pollution Control, Qualité, Sewage, Soil absorption and adsorption, TECHNOLOGY & ENGINEERING, Technology, Umweltpolitik, Vattenföroreningar, Vattenföroreningskontroll, Wasserverschmutzung

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ID Numbers

  • OLID: OL1841514A

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History

Download catalog record: RDF / JSON
August 26, 2008 Edited by RenameBot fix author name
April 1, 2008 Created by an anonymous user initial import