00258nam a2200109Ia 4500008004100000041001200041082001100053100001500064245005700079260000600136650000600142221030s9999    xx            000 0 und d  aEnglish  a105.23  aJ. Millman 0aPulse Digital & Swithching Wave Formscby J. Millman  c0  aB