Home Publications & Data Report Agronomic evaluation of grasses in the tropical savannas of South America. 3 author(s) Grof, B published in1984 original file download full citation GROF, B.; THOMAS, D. 1984. Agronomic evaluation of grasses in the tropical savannas of South America. 3. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 31 p.