M. C. DIAZ, J. M. PULGARIN, and A. SALDARRIAGA-V., “INSECT-PATHOGEN RELATIONS IN THE PROBLEM OF THE YELLOWING OF THE POTATO VEINS”, Rev. Colomb. Entomol., vol. 16, no. 2, pp. 3–14, Jul. 1990, doi: 10.25100/socolen.v16i2.10153.