https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-search.pl?idx=&q=an%3A29899&sort_by=relevance&format=rss 3 0 20 ISBN: https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-detail.pl?biblionumber=156921 By American Petroleum Institute, API.
Washington American Petroleum Institute, API 1980 .
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]]> Place hold on Relationship between air quality and human perception of scenic areas

]]> https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-detail.pl?biblionumber=156921 ISBN: https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-detail.pl?biblionumber=156946 By American Petroleum Institute, API.
Washington American Petroleum Institute, API 1983 .
143 p.

]]> Place hold on Effects of air quality and visibility on human perception of scenic beauty

]]> https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-detail.pl?biblionumber=156946 ISBN: https://biblioteca.iapg.org.ar/cgi-bin/koha/opac-detail.pl?biblionumber=157005 By American Petroleum Institute, API.
Washington American Petroleum Institute, API 1984 .
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]]> Place hold on New approaches to quantification of perception of scenic beauty and visibility

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