Biting flies in Canada : health effects and economic consequences / by M. Laird [and others].

Ottawa, Ont. : NRCC, 1982.

157 pages : illustrations ; 28 cm.

"Prepared for the Subcommittee on Biological Phenomena"

At head of title: National Research Council of Canada, Associate Committee on Scientific Criteria for Environmental Quality

Includes index

Bibliography: p. 125-155.