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Last edited by ImportBot
October 9, 2008 | History

P. De Groot

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  • Cover of: User's guide to ConeSys: a cone crop monitoring and insect pest management decision support system for seed orchards

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  • Cover of: Biology, damage and management of seed orchard pests =: Biologie et impact des ravageurs des vergers à graines et options de lutte

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  • Cover of: Aerial spray trials with a baculovirus to control redheaded pine sawfly in Ontario in 1979 and 1980

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  • Cover of: Diptera associated with cones and seeds of North American conifers: an annotated bibliography

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History

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October 9, 2008 Created by ImportBot Imported from Oregon Libraries MARC record