00307nam a2200109Ia 4500008004100000041001200041082001100053100001600064245010500080260000600185650000600191221030s9999    xx            000 0 und d  aEnglish  a105.23  aJ. R. Gregg 0aOnes &  Zeros - Understanding Boolean Algebra, Digital Circuits, & the Logic of setscby J. R. Gregg  c0  aB