000 00297nam a22001337a 4500
008 190205b xxu||||| |||| 00| 0 eng d
020 _a0697081699
041 _aeng
080 _23rd
_a338
100 _a52
101 _aMNG
245 _aElements of Systems Analysis
_cGore, M
942 _2udc
_cBK
999 _c54073
_d54073