000 00213 a2200097 4500
001 15823
100 _aHnatek, E R
245 _aUser's Guide Book to digital
260 _a
_bMc Graw Hill
_c
090 _c12373
_d12373
942 _aNUST-CAE
_cM
_c2640
999 _c250896
_d250896