00559nam a2200169Ia 4500008004100000020001500041041001200056082001100068100001700079245004500096260003500141300000800176650000800184942000700192999001500199952017500214221030s9999    xx            000 0 und d  a818527309X  aEnglish  a105.23  aN. N. Biswas 0aPrinciples of Telephonycby N. N. Biswas  bRadiant BooksaBangalorec1994  a138  aECE  cBK  c9276d9276  pBE 10904g25.00l0o105.23 eGiftedr2024-06-13 00:00:00w2022-10-30yBK003Print4070aMIETLIBbMIETLIBcBL-Academic Block A, FL-1, CUP-0, SH-0, R-0d2010-11-1210HBE