00455nam a22001697a 450000500170000000800410001702000150005804000330007308200210010610000180012724500420014526000280018730000270021550400180024265000130026070000120027320181209223024.0180216b19571988 uka|||| |||| 001 0 eng d  a0712115439  aBD-DhBPAcBD-DhBPAdBD-DhBPA00a300.72bHAO 1988 1a Harper, W.M.10a Operational research /cW.M. Harper.  a London :bELBS,c1982.  ax, 309p.bill;c10 cm.  aindex present  aresearch  aH.C.LIM