000 00452nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
020 _a9789811656927
041 _aENG
082 _a621.382
100 _aMa Maode
245 0 _aProceedings of the 4th international conference on telecommunications and communication engineering
260 _aNew York
260 _bSpringer
260 _c2022
365 _b55
650 _aETC
942 _cEB
999 _c13499
_d13499