000 00273nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a 005.133'CAM
100 _aCAMPBELL (Joe)
245 0 _aC Programming Guide to Communications
260 _bPHI
_aNEW DELHI
942 _cBK
999 _c5579
_d5579