Rob Pike. The UNIX system: The blit: A multiplexed graphics terminal. Bell Syst. Tech. J., 63(8):1607-1631, 1984. [doi]
@article{Pike84,
title = {The UNIX system: The blit: A multiplexed graphics terminal},
author = {Rob Pike},
year = {1984},
doi = {10.1002/j.1538-7305.1984.tb00056.x},
url = {https://doi.org/10.1002/j.1538-7305.1984.tb00056.x},
researchr = {https://researchr.org/publication/Pike84},
cites = {0},
citedby = {0},
journal = {Bell Syst. Tech. J.},
volume = {63},
number = {8},
pages = {1607-1631},
}