TY  - JOUR
AU  - E.D. Bloch
TI  - Complexes Whose Boundaries Cannot Be Pushed  Around.
JO  - Discrete & computational geometry
PY  - 1989
SP  - 365
EP  - 374
VL  - 4
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131086/
ID  - DCG_1989__4_6_131086
ER  -