000 00333pam a2200157a 44500
008 230405s2002 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aPrakesh C.Gupta
245 _aData Communication
250 _a1
260 _a
_bPHI
_c2002
300 _a475p,24cms
440 _a225
690 _aIMRDA
906 _a2561
999 _c255420
_d255420