TY - GEN TI - Innovation in energy technology : : comparing national innovation systems at the sectoral level SN - 92-64-01407-1 U1 - OCDE 333.79 I582i 2006 PY - 2006/// CY - Paris [Francia] : PB - Organisation for Economic Co-operation and Development, KW - ENERGÍA KW - DESARROLLO CIENTÍFICO Y TECNOLÓGICO ER -