| 000 | 00346nam a2200133Ia 4500 | ||
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| 008 | 220217s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a81-85273-09-X | ||
| 082 | _a621.385 7 BIS | ||
| 100 | _aBiswas, Nripendra, N | ||
| 245 | 0 | _aPrinciples if telephony | |
| 260 |
_aRadiant books _bBangalore _c1998 |
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| 300 | _b35 | ||
| 650 | _aTELEPHONY | ||
| 999 |
_c165788 _d165788 |
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