1. Maublanc A. Espéces nouvelles de champignons inferieurs. Bull Soc Myc Fr 1904; 20: 72.
2. Abbot EV. Further notes on plant diseases in Peru. Phytopathology 1931; 21: 1067.
3. Bell FH, Alandia BS. Diseases of temperate climate crops in Bolivia. Plant Dis Rep 1957; 41: 646?649.
4. Castaño J. La mancha de asfalto de la hoja de maíz. Agric Tropic, Colombia 1969; 25: 332.
5. Castaño J. Instituto Colombiano Agropecuario Boletin de divulgacion 32: Regional 1970; No. 4.