000 00840nam a2200253Ia 4500
001 HEL-DAT-ONS-9780131988705
005 20260515083606.0
008 260515s9999 xx 000 0 und d
020 _a9.78013E+12
040 _cPK-LaCU
041 _aEnglish
082 _a621.3981 HEL
_bHEL
100 _a"Helmers,Scotta"
245 0 _aData communications
_bA beginner's guide to concepts and technology
260 _aNew Jersey
_bPrentice Hall
264 _c1989
300 _axviii 558
_bSoft Binding
365 _b390.00
_cRs.
521 _a"Faculty, students and Staff"
650 _aElectrical Engineering
_x"Data, communications"
942 _2DDC
_cBook
_hHEL
999 _c619
_d619