TY - `EDBOOK` TI - Trova : [Hanover Gallery, London, march 1 may 1970 ; Gimpel Hanover Galerie, Zürich, 15 may 27 june 1970] PB - Tosi CY - Milan PY - 1970 LA - eng SP - [19] Bl. CN - 79 S 323 AN - UBHD-1476004 ER -