000 00369nam a2200145Ia 4500
008 240624s9999 xx 000 0 und d
041 _aeng
082 _a004.6 SHA
100 _aSHAY WILLIAM A
245 _aUNDERSTANDING DATA COMMUNICATIONS AND NE
250 _a(3rd ed.)
260 _c2004
_aSingapore
_bThomson Asia
300 _axxv, : 766 : cm. ; 24
365 _cRS
999 _c1927
_d1927