TY  - JOUR
AU  - G. Ewald
TI  - Spherical Complexes and Nonprojective Tone Varieties.
JO  - Discrete & computational geometry
PY  - 1986
SP  - 115
EP  - 122
VL  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1986__1_130986/
ID  - DCG_1986__1_130986
ER  -