00361nam a2200133Ia 4500082001900000100002000019245005700039250000900096260003100105300002100136490006000157500000500217700000500222  a658.5bR569.PS  aRiggs, James L.  aProduction systems; planning, analysis and controlb  a2nd.  aNew YorkbJohn Wileyc1976  axvi, 677p. Index  aWiley/ Hamilton series in Management and Administration  a  a