000 | 00423nam a2200181Ia 4500 | ||
---|---|---|---|
008 | 200901s9999||||xx |||||||||||||| ||und|| | ||
020 | _a4000000406 | ||
100 |
_aBiswas N N _93779 |
||
245 | 0 | _aPrinciples of Telephony | |
250 | _a- | ||
264 |
_bRadiant Books _c1986 |
||
300 | _a130 | ||
490 | _a- | ||
500 | _a- | ||
546 | _aENG | ||
650 |
_a"Electronics and Communication, "Telephony _941393 |
||
942 | _cBK | ||
999 |
_c25329 _d25329 |