TY - JOUR AU - Č. Duboka AU - Ž. Aresnijević AU - J. Todorović TI - Preventive Maintenance of Units Subject to Two Kinds of Wear Failure JO - Yugoslav journal of operations research PY - 1996 SP - 85 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_1996_6_1_a6/ LA - en ID - YJOR_1996_6_1_a6 ER -