000 004280000a22001690004500
008 140223b1999 xxu||||| |||| 00| 0 eng d
020 _a0070398836
041 _aEng
080 _a9S4044 N9-;6
082 _a9S4044 N9-;6
100 _aLeach Donald P
700 _aMalvino Albert Paul
245 _aDigital principles and applications
250 _a4th edn
260 _aNew Delhi
_bTMH
_c1999
650 _aComputer Science
999 _c60194
_d60194