Comparative study of envelopes of Soalr Decathlon COmpetition - Letzai del Valle Ruiz Valero; Beatriz Arranz Arranz; Eva Gómez Aparicio; Edwin Rodríguez Ubiñas; Joara Cronemberger Ribeiro Silva; Sergio Vega Sanchez; Josep Maria Adell Argiles; Alfonso Garcia Santos (2008)