Exhibition catalogue published in conjunction with show held at Centro de Exposições, Centro Cultural de Belém, Lisbon, March 19 - May 39, 2004. Artists included John Baldessari, Julião Sarmento and Lawrence Weiner. Essay by Delfim Sardo, with interviews between Sardo and Weiner, Sarmento and Baldessari. Includes biographies of the artists. Texts in English and Portuguese.