TY - JOUR AU - Howie, J. M. TI - Naturally ordered bands JO - Glasgow mathematical journal PY - 1967 SP - 55 EP - 58 VL - 8 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000082/ DO - 10.1017/S0017089500000082 ID - 10_1017_S0017089500000082 ER -