000 00403nam a2200169Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aChristopher, E.S.
245 _aDigital electronics fundemental concepts and applications
250 _aFirst
260 _c1987
546 _aEnglish
942 _2ddc
_cBK
999 _c30609
_d30609
005 20220125170210.0