| 000 | 00348nam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 150820b xxu||||| |||| 00| 0 eng d | ||
| 082 | _a309.25 UNI | ||
| 100 | _aUNITED NATIONS | ||
| 245 |
_aUSE OF SYSTEMS OF MODELS IN PLANNING _bSEMINAR ON THE USE OF SYSTEMS OF MODELS IN PLANNING MOSCOW (USSR) 2-11 DECEMBER 1974 |
||
| 260 |
_aNEW YORK _bUNITED NATIONS _c1975 |
||
| 999 |
_c351 _d351 |
||