First-year results from a research program on human factors in software engineering. - Sylvia B. Sheppard; Bill Curtis; Phil Milliman; M. A. Borst; Tom Love (MARK, 1979)

Measuring the Psychological Complexity of Software Maintenance Tasks with the Halstead and McCabe Metrics. - Bill Curtis; Sylvia B. Sheppard; Phil Milliman; M. A. Borst; Tom Love (IEEE Trans. Software Eng., 1979)