TY  - JOUR
AU  - Cordovil, Raul
TI  - Oriented Matroids and Geometric Sorting
JO  - Canadian mathematical bulletin
PY  - 1983
SP  - 351
EP  - 354
VL  - 26
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-059-x/
DO  - 10.4153/CMB-1983-059-x
ID  - 10_4153_CMB_1983_059_x
ER  -