000 00355nam a2200145Ia 4500
020 _a9780412428906
082 _b1239
_a001.642
100 _a"Douglas lewin David Protheroe"
245 0 _aDesign of logic system
260 _b,Chapman and hall
_c1992
300 _a702
944 _cBK
999 _c516871
_d516871