Research paper NE-(series). NE-314. Field test with helicopter applications of Gardona against gypsy moth in Pennsylvania [with list of literature cited]; by Jack H. Barger and Kenneth Helrich.
Publication Title:
Field test with helicopter applications of Gardona against gypsy moth in Pennsylvania [with list of literature cited]; by Jack H. Barger and Kenneth Helrich.
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Research paper NE-(series). NE-314. Field test with helicopter applications of Gardona against gypsy moth in Pennsylvania [with list of literature cited]; by Jack H. Barger and Kenneth Helrich.