Michael J. Fitton, Carol J. Harkness, Keith A. Kelleman, Paul F. Long, Carl Mee. The UNIX system: The virtual protocol machine. Bell Syst. Tech. J., 63(8):1859-1876, 1984. [doi]
@article{FittonHKLM84,
title = {The UNIX system: The virtual protocol machine},
author = {Michael J. Fitton and Carol J. Harkness and Keith A. Kelleman and Paul F. Long and Carl Mee},
year = {1984},
doi = {10.1002/j.1538-7305.1984.tb00069.x},
url = {https://doi.org/10.1002/j.1538-7305.1984.tb00069.x},
researchr = {https://researchr.org/publication/FittonHKLM84},
cites = {0},
citedby = {0},
journal = {Bell Syst. Tech. J.},
volume = {63},
number = {8},
pages = {1859-1876},
}