Victor R. Basili Elizabeth E. Katz Nora Monina Panlilio-Yap Connie Loggia Ramsey Shih Chang 53-65 1985 18 IEEE Computer 9 db/journals/computer/computer18.html#BasiliKPRC85 http://doi.ieeecomputersociety.org/10.1109/MC.1985.1663005