000 00287nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aEveritt William Littell
_948078
245 0 _aCommunication Engineering
260 _bMcgraw-Hill Book Comp.
_c1937
300 _a727
942 _cBK
_pCL
999 _c165449
_d165449