Authors: Murillo-Zamorano, LR Vega-Cervera, JA

Citation: Lr. Murillo-zamorano et Ja. Vega-cervera, The use of parametric and non-parametric frontier methods to measure the productive efficiency in the industrial sector: A comparative study, INT J PRO E, 69(3), 2001, pp. 265-275

Authors: Medina, J Vega-Cervera, JA

Citation: J. Medina et Ja. Vega-cervera, Energy and the non-energy inputs substitution: evidence for Italy, Portugal and Spain, APPL ENERG, 68(2), 2001, pp. 203-214

Authors: Vega-Cervera, JA Medina, J

Citation: Ja. Vega-cervera et J. Medina, Energy as a productive input: The underlying technology for Portugal and Spain, ENERGY, 25(8), 2000, pp. 757-775