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Filters: 1 is biblio_year:1986 and 2 is biblio_year:1984 and 3 is biblio_year:1992 and 4 is biblio_year:2009 and 5 is field_publication_state:17 and 6 is biblio_year:2016 and 7 is field_research_area:1 and Author is Richard Scheffenegger  [Reset Search]