000 00397nam a2200133Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a0-201-09290-5
082 _a621.382 SPR
100 _aSpragins, John, D Hammond, Joseph, L
_93462
245 0 _aTelecomminicatios : protocols and design
260 _aAddision wesley
_bNew York
_c1992
300 _b1500
650 _aCOMMUNICATION SYSTEM
999 _c171969
_d171969