| 000 | 00361nam a2200133Ia 4500 | ||
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| 001 | 3139 | ||
| 020 | _a968130814X | ||
| 082 | 0 | 4 |
_b658.4032 _cW27e |
| 100 |
_aChurchman, Charles West _948814 |
||
| 245 | 0 | 0 |
_aEl enfoque de sistemas _cCharles. West Churchman |
| 900 |
_oSala general _n32589 _l1 |
||
| 902 |
_a11 _b9 |
||
| 942 |
_2ddc _h658.4032 _mW27e _c11 |
||
| 999 |
_c3108 _d3108 |
||