Frank DeRemer, Thomas J. Pennello, Richard Meyers. A syntax diagram for (preliminary) Ada. SIGPLAN Notices, 15(7-8):36-47, 1980. [doi]
@article{DeRemerPM80,
title = {A syntax diagram for (preliminary) Ada},
author = {Frank DeRemer and Thomas J. Pennello and Richard Meyers},
year = {1980},
doi = {10.1145/947680.947682},
url = {https://doi.org/10.1145/947680.947682},
researchr = {https://researchr.org/publication/DeRemerPM80},
cites = {0},
citedby = {0},
journal = {SIGPLAN Notices},
volume = {15},
number = {7-8},
pages = {36-47},
}