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Lookup NU author(s): David George, Dr Gordon Port
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Author(s): George DR, Port G, Collier RH
Publication type: Article
Publication status: Published
Journal: IOBC WPRS Bulletin
Year: 2007
Volume: 30
Issue: 8
Pages: 113-121
ISSN (print): 0253-1100
Publisher: IOBC/WPRS