000 00244 a2200097 4500
001 23441
100 _aBukstein, E
245 _aPractice Problems in Number Systems , Logic and Boolean Algebra
260 _a
_bSams
_c1967
090 _c15834
_d15834
942 _aNUST-CAE
_cM
_c6485
999 _c258514
_d258514