000 00315nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aET
100 _aWILLAM STALLINGS
245 0 _aBUSI. DATA COMM.
260 _bPEARSON EDUCATION
_aDELHI
300 _a659
500 _a19221
942 _cBK
999 _c25443
_d25443