000 00277nam a22001217a 4500
008 180228b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a004
100 _a30
101 _ashk
245 _alinear programing and network flows
_cjohn.j.j
942 _2udc
_cBK
999 _c43715
_d43715