TY - JOUR AU - Frank Morgan TI - Calibrations and the size of Grassmann faces. JO - Aequationes mathematicae PY - 1992 SP - 1 EP - 13 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137438/ ID - AM2_1992__43_1_137438 ER -