00358nam a2200133Ia 450000500170000000800410001702000150005804000100007305000190008310000200010224500390012226000300016165000330019120251229190544.0251229s9999    xx            000 0 und d  a1558608664  cEULIB  aQA 76.9.D43Z45  aZeller ,Andreas 0aWhy programs failcAndreas Zeller   aNew York bElsevierc2006  aDebugging In Computer Scince