1990 – Railway Container #3 Braunstein (pyrolusite) on photocopy, each ca. 35 cm x 24 cm, series of 5 unique copies 10205401020536102053910205381020537 1990 – good guys or bad guys 1990 – Kontext 1990 – M.A.S.S.A. 2nd edition 1990 – M.A.S.S.A. 3rd edition 1990 – Railway Container #1 1990 – Railway Container #2 1990 – Railway Container #3 1990 – Railway Container #4 1990 – Untitled