Cruchaga, R.C. creator González, C.A. creator Gómez, F.G. creator Quiroz, R.A. creator Ruiz, M.E. (eds.) creator text | | San Jose, (Costa Rica) IICA 1992 monographic (Es ) 284 p. IICA; 11 illus. ; 55 tables ; 26 graphs ; Several bibliographies Pecuaria Bioenergia Nutricao animal Producao animal Modelo matematico BR-BrBNA 260509 20260522123646.0 IICA0500228 por