TY - JOUR AU - Richard Steiner TI - Pasting in multiple categories JO - Theory and applications of categories PY - 1998 SP - 1 EP - 36 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_1998_4_a0/ LA - en ID - TAC_1998_4_a0 ER -