TY  - JOUR
AU  - Susan Niefield
TI  - Change of base for relational variable sets
JO  - Theory and applications of categories
PY  - 2004
SP  - 248
EP  - 261
VL  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAC_2004_12_a6/
LA  - en
ID  - TAC_2004_12_a6
ER  -