| 000 | 00389pam a2200157a 44500 | ||
|---|---|---|---|
| 008 | 230515b1990 xxu||||| |||| 00| 0 eng d | ||
| 020 | _aNULL | ||
| 041 | _aENGLISH | ||
| 082 | _aN.D. | ||
| 100 | _aClayton A.E. Hancock N.N. | ||
| 245 | _aThe Performanie Disigin Of Direct Current Machnics | ||
| 250 | _a0 | ||
| 260 |
_aNULL _bC.B. S.Publisher _c1990 |
||
| 300 | _a516 | ||
| 650 | _aNULL | ||
| 999 |
_c570234 _d570234 |
||