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Global solar UV index: a practical guide
(WHO, 1995)
The Global Solar UV Index (UVI) described in this document was developed in an international effort by WHO in collaboration with WMO, UNEP and ICNIRP
Water quality assessments: a guide to the use of biota, sediments and water in ecosystems
(E&FN Spon, 1992)
This guidebook concentrates on the process of setting on monitoring programmes for the purpose of providing a valid data base for water quality assessments.