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Subjects
Biological control, Gypsy moth, Aerial spraying and dusting in agriculture, Aerial spraying and dusting in forestry, Apanteles melanoscelus, Bacillus thuringiensisPlaces
PennsylvaniaID Numbers
- OLID: OL4822111A
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September 18, 2008 | Created by ImportBot | Imported from Oregon Libraries MARC record |