TY  - JOUR
AU  - Barr, Michael
TI  - Acyclic Models
JO  - Canadian journal of mathematics
PY  - 1996
SP  - 258
EP  - 273
VL  - 48
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-013-x/
DO  - 10.4153/CJM-1996-013-x
ID  - 10_4153_CJM_1996_013_x
ER  -