TY - JOUR AU - Dziech, Andrzej AU - Pach, Andrzej R. TI - Bounds on the throughput of an unslotted ALOHA channel in the case of a heterogeneous users' population JO - Kybernetika PY - 1989 SP - 476 EP - 485 VL - 25 IS - 6 UR - http://geodesic.mathdoc.fr/item/KYB_1989_25_6_a4/ LA - en ID - KYB_1989_25_6_a4 ER -