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International, Scientific Fieldwork in Walnut-Fruit Forests 2005
International, Pollination Fieldwork in Issyk-Kul (2005-06)
International, Scientific Fieldwork in Walnut-Fruit Forests 2002
International, Scientific Fieldwork in Walnut-Fruit Forests 2003-04
International, Scientific Fieldwork in Apple Orchards 2007 (Kazakhstan)
Scientific field work in the Forests at Penn State College, PA 2008
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