00305nam a2200121 a 450000500170000002000150001708200160003210000210004824500430006925000110011226000380012330000220016120251203110217.0  a041735418X  a005.14bPER  aPerry, William E  aEffective methods for software testing  a2nd ed  aNew YorkbJohn Wiley & Sonsc1999  axx,812p.c22cm HB