Barry J. Mailloux, John E. L. Peck. Algol 68 as an extensible language. SIGPLAN Notices, 4(8):9-13, 1969. [doi]
@article{MaillouxP69,
title = {Algol 68 as an extensible language},
author = {Barry J. Mailloux and John E. L. Peck},
year = {1969},
doi = {10.1145/1115858.1115861},
url = {https://doi.org/10.1145/1115858.1115861},
researchr = {https://researchr.org/publication/MaillouxP69},
cites = {0},
citedby = {0},
journal = {SIGPLAN Notices},
volume = {4},
number = {8},
pages = {9-13},
}