00261pab a2200109 454500008004000000100002000040245004400060260000900104300001300113362001200126773001300138180718b1973   xxu||||| |||| 00| 0 eng d  aMundle, Sudipto  aOperations research in urban management  c1973  ap.44-50.  aOct-Dec  aNagarlok