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21Published 2008“...United Nations Environment Programme (UNEP) ; World Glacier Monitoring Service (WGMS),...”
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22Published 1991“...IUCN--the World Conservation Union : United Nations Environment Programme : World Wide Fund for Nature,...”
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23Published 1998“...Institute for Hydrospheric-Atmospheric Sciences, Nagoya University : United Nations Educational Scientific and Cultural Organization,...”
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24by Wauthy, B.“...UNEP ; Obtained from Programme Activity Centre for Oceans and Coastal Areas, United Nations Environment Programme,...”
Published 1986
Book