| 000 | 00352pam a2200157a 44500 | ||
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| 008 | 230405s2002 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aENG | ||
| 100 | _aGUPTA P C | ||
| 245 | _aDATA COMMUNICATION | ||
| 250 | _a2002 | ||
| 260 |
_aNEW DELHI _bPHI LEARNING PUB _c2002 |
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| 300 | _aP.B,IX,475 | ||
| 650 | _aE&TC | ||
| 690 | _aE&TC | ||
| 906 | _a1344 | ||
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_c815539 _d815539 |
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