Exhibition catalogue published in conjunction with show held at the Guggenheim Museum Bilbao, Spain, October 18, 1999 - January 16, 2000. Organized by the Solomon R. Guggenheim Museum, New York, and the Kunstmuseum Wolfsburg, Germany. Text by Germano Celant. Contains over 500 reproductions of work, photographs, and ephemera from Warhol's Factory. Includes list of reproductions. Text in Spanish.