000			00350nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78812E+12
082			_aAL-
082			_b31A &
100			_a"Johnson, Johnny R"
245		0	_aIntroduction To Digital
260			_aNew Delhi
260			_bP.H.I
260			_c2007
300			_a"XIX, 407"
999			_c19203 _d19203