Joachim von Peschke. PL/I subsets for software writing. SIGPLAN Notices, 6(4):16-22, 1971. [doi]
@article{Peschke71,
title = {PL/I subsets for software writing},
author = {Joachim von Peschke},
year = {1971},
doi = {10.1145/987076.987078},
url = {https://doi.org/10.1145/987076.987078},
researchr = {https://researchr.org/publication/Peschke71},
cites = {0},
citedby = {0},
journal = {SIGPLAN Notices},
volume = {6},
number = {4},
pages = {16-22},
}