Vol. 84 No. 8 (2009)

ARTICULOS

• WIND STRENGHT DESCRIPTION IN THE PROVINCE OF ALMERY.

  QUETZALCOATL HERNANDEZ ESCOBEDO, FRANCISCO MANZANO AGUGLIARO, ANTONIO ZAPATA SIERRA

  681-686

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• NEW SOLAR TRACKING SYSTEM BASED ON ROD-CRANK MECHANISM.

  JOSE MANUEL PALOMAR CARNICERO, FRANCISCO ALBERTO DIAZ GARRIDO, FERNANDO CRUZ PERAGON, RAFAEL LOPEZ GARCIA, PEDRO CASANOVA PELAEZ

  671-680

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• NEW CONCEPTS FOR AUTOMATION OF TRANSFORMER SUBSTATIONS.

  JOSE ANTONIO SANCHEZ RUIZ

  665-670

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• ENERGY EFFICIENCY FACTORS TO CONSIDER IN ELECTRICAL GRIDS CALCULATION.

  PAU CASALS TORRENT, XAVIER GRANADOS GARCIA, RICARDO BOSCH TOUS, JUAN ANTONIO MARTINEZ VELASCO

  647-655

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• ETHANOL AND BIODIESEL ANALYSIS TO REPLACE FOSSIL FUELS IN THE SPANISH VEHICLE INDUSTRY.

  FERNANDO HERNANDEZ SOBRINO, CARLOS RODRIGUEZ MONROY, JOSE LUIS HERNANDEZ PEREZ

  656-664

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• HOUSE BUILDINGS WITH ZERO CO2 EMISSIONS.

  JESUS AMIANO GUEVARA

  687-698

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