| 000 | 00287nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220709b1993 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a621.385, _bD18I |
||
| 100 | _aDas, P. N. | ||
| 245 | _aIntroduction to automatic telephony | ||
| 260 |
_aCalcutta _bModern Book Agency _c1993 |
||
| 300 | _ax,272p. | ||
| 942 | _cBooks | ||
| 906 | _a107134 | ||
| 981 | _aCalcutta: Modern Book Agency, 1993. | ||
| 982 | _ax,272p. | ||
| 983 | _aIntroduction to automatic telephony | ||
| 999 |
_c101892 _d101892 |
||