000 00336nam a22001457a 4500
003 OSt
005 20220201094437.0
008 220201b |||||||| |||| 00| 0 eng d
020 _a8120324293
040 _cH U
082 _a621.382
100 _aBasics
_929256
245 _aBasics of Electronic Communications
942 _2ddc
_cBOOKS
_n0
999 _c28654
_d28654