1. Aphids as Crop Pests. ([2017]) Editors: Van Emden, H. F (Helmut Fritz); Harrington, Richard, 1955- Other Names: C.A.B. International, publisher. Record Type: Book Extent: 1 online resource (xxviii, 686 pages), illustrations (colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗