When 1 is 2 : the art of Alighiero e Boetti : [Contemporary Arts Museum, Houston, 22.6. - 6.10.2002] / [curator and publication coordinator] Paola Morsiani ; with an essay by Barry Schwabsky ; interview with the artist by Achille Bonito Oliva ; selected texts by Alighiero Boetti. - Houston : Contemporary Arts Museum, 2002. - 112 s. : runsaasti kuv. (vär., mv.) ; 26 cm
0-936080-75-2