KENNEDY, J.S., Day,M.F., Eastop.V.F. A CONSPECTUS OF APHIDS AS VECTORS OF PLANT VIRUSES English - - LONDON COMMONWEALTH INSTITUTE OF ENTOMOLOGY 1962 - 114 HB ISBN: Source: Subjects--Uniform Titles: Subjects--Topical Terms: PLANT VIRUSE Dewey Class. No.: 579.28 KEN