Book Chapter
Thomas, Richard J.
Thomas, R.J.; LASCANO, C.E.; SANZ, J.I.; ARA, M.A.; SPAIN, J.M.; VERA, R.R.; FISHER, M.J. 1992. The role of pastures in production systems. In: Hardy, Bill (ed.). Pastures for the tropical lowlands: CIAT`s contribution. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. p. 121-144. (CIAT publication no. 211)