000 00346nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a8120309251
082 _a5
082 _b71 BLA
100 _a"Black, Uyless D."
245 0 _aData Communication And D
260 _aNew Delhi
260 _bPHI
260 _c1997
300 _a"xvi, 426"
999 _c36512
_d36512