TY - JOUR AU - Marcum, Howard J. TI - Cone length of the exterior join JO - Glasgow mathematical journal PY - 1998 SP - 445 EP - 461 VL - 40 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708950003278X/ DO - 10.1017/S001708950003278X ID - 10_1017_S001708950003278X ER -