| 000 | 004190000a22001450004500 | ||
|---|---|---|---|
| 060 | _a115 | ||
| 082 | _a620.7 ECK | ||
| 100 | _aEchman, Donald P | ||
| 245 | _aSystems : research and design : proceedings of the first systems symposium at case institute of technology | ||
| 260 | _aNewYork, John Wiley & Sons INC | ||
| 260 | _c1961 | ||
| 300 | _a310 | ||
| 650 | _aSystems - research/ systems - design | ||
| 942 | _cBK | ||
| 999 |
_c348563 _d348563 |
||