Politics & EconomicsField and laboratory techniques for evaluating hemlock sawfly infestationsJohn S Hard![Field and laboratory techniques for evaluating hemlock sawfly infestations]()
Field and laboratory techniques for evaluating hemlock sawfly infestations
John S Hard
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“Field and laboratory techniques for evaluating hemlock sawfly infestations” by John S Hard: a public-domain book in “Politics & Economics”, written in…
Catalogue details
- Author
- John S Hard
- Category
- Politics & Economics
- Language
- English
- Source
- HathiTrust