| 000 | 00350nam a2200121Ia 4500 | ||
|---|---|---|---|
| 999 |
_c18990 _d18990 |
||
| 020 | _a1556172427 | ||
| 100 | _aDavid William Spitzer | ||
| 245 | _aVariable Speed Drives Principles and Applications for Energy Cost Savings | ||
| 250 | _a2 | ||
| 260 |
_c1990 _bI.S.A & INSTITUTE OF MEASUREMENT & COST _aNorth Carolina |
||
| 300 | _avii+201 | ||
| 942 | _cREF | ||