00248nam a2200109Ia 4500008004100000041001200041082001100053100001400064245004800078260000600126650000600132221030s9999    xx            000 0 und d  aEnglish  a105.23  aA. V. Aho 0aPrinciples of Compiler Designcby A. V. Aho  c0  aB