000 00275nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aEverittw.L.
_941785
245 0 _aCommunication Engineering
260 _bMcgraw-Hill Book Comp.
_c1956
300 _a644
942 _cBK
_pCL
999 _c153915
_d153915