000 00274nam a2200121Ia 4500
082 _a004.6
_bSAP
100 _aSapien, M
245 _aMastering ISDN
260 _aNew Delhi
_bB. P. B.
_c1997
300 _a579p.
650 _aComputer Science
650 _aInformation Technology
999 _c6499
_d6499