studies of the codling moth in the central appalachian region
Brooks, F.E.
studies of the codling moth in the central appalachian region - Washington 1915 - 1-48 p. - Codling, Moth United States Department of Agriculture. Bulletin No. 189 .
studies of the codling moth in the central appalachian region - Washington 1915 - 1-48 p. - Codling, Moth United States Department of Agriculture. Bulletin No. 189 .