TECHNICAL EFFICIENCY AS A NEW APPROACH TO HYDROELECTRIC GENERATION IN THE SHORT TERM SciELO - Scientific Electronic Library Online vol.76 issue157 ELEMENTS TO ESTIMATE SUBGRADE REACTION COEFFICIENTS CLASS BASED MULTIVARIATE AUTOREGRESSIVE MODEL FOR HYDROLOGICAL SERIES GENERATION author index subject index articles search Home Page alphabetic serial listing Services on Demand Journal SciELO Analytics Article Spanish (pdf) Article in xml