Cucurbit Viruses of California: An Ever-Changing Problem. S. T. Nameth, University of California, Riverside. J. A. Dodds, A. O. Paulus, University of California, Riverside, F. F. Laemmlen, El Centro, CA. Plant Dis. 70:8. Copyright 1986 The American Phytopathological Society. DOI: 10.1094/PD-70-8.