Urteil Nr. 548/2000. Berufungsgericht Zaragoza. HÉCTOR M. C., ANGEL T. F., IGNACIO V. S. vs. AUTODES INCORPORATED, EDITORIAL ARANZADI, SA, LOTUS DEVELOPMENT CORPORATION, MICROSOFT CORPORATION, NOVELL INCORPORATED, ERBE SOFTWARE, S.A., ADOBE SYSTEMS INC, INTERNATIONAL BUSINESS MACHINES, S.A., Y ZETA MULTIMEDIA, S.A.