| 000 | 00478cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1970 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aI5517 Un3 | ||
| 245 |
_aSymposium on the application of operational research methods in solving the economic problems of planning and operating large electric power systems and on the use of computers _cby Economic Commission for Europe |
||
| 260 |
_aNew York _bUnited Nations _c1970 |
||
| 300 | _av.p. | ||
| 700 | _aEconomic Commission for Europe | ||
| 999 |
_c491700 _d491700 |
||