000 00352nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a621.395
_bLEA
100 _aLeach Donald P.
245 0 _aDigital principles and applications
260 _aNew Delhi :
_bTmh,
_c1994
300 _a683.
365 _a315
650 _aApplied physics
999 _c34765
_d34765