000 00293nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.382
_bKUL
100 _a KULARATNA (Nihar)
245 0 _aEssentials of Modern Telecommunications Systems
260 _b Artech House
_aBoston
942 _cBK
999 _c2733
_d2733