Issue No.06 - November (1983 vol.9)
M. Trachtenberg , RCA
The earlier findings of Shooman and Bolsky, that the difficulty of detecting or correcting a software bug is independent of its order of detection, is challenged by new data which shows definite tendencies for early bugs to need less time to be detected and more to be corrected than later bugs.
Shooman and Bolsky, Correlation, debugging, error correction times, error detection times, Musa
M. Trachtenberg, "Order and Difficulty of Debugging", IEEE Transactions on Software Engineering, vol.9, no. 6, pp. 746-747, November 1983, doi:10.1109/TSE.1983.235582