Controlling hemlock scales with least environmental impact
By: by Mark S. McClure
Contributors: Connecticut Agricultural Experiment Station
Series: Bulletin / Connecticut Agricultural Experiment Station -- 844; Bulletin (Connecticut Agricultural Experiment Station) -- 844.
Publisher: Connecticut Agricultural Experiment Station
Published: 1987
Place of publication: New Haven, Conn
Language: eng
Notes: Cover title.

"January 1987."

Includes bibliographical references (p. 6-7).