E. VALENCIA, H. A. VARGAS, and F. SEGURA, “EFFECTS ON THE DEVELOPMENT OF THE NESTS OF Polistes erythrocephalus (Hymenoptera: Vespidae) AS A RESULT OF THE APPLICATION OF TWO CHITIN INHIBITORS, ONE SULPHONATE AND ONE ORGANOPHOSPHORATE”, Rev. Colomb. Entomol., vol. 16, no. 2, pp. 44–53, Dec. 1990.