Michael D. Rychener, Allen Newell. An instructable production system: basic design issues. SIGART Bulletin, 63:37-38, 1977. [doi]
@article{RychenerN77,
title = {An instructable production system: basic design issues},
author = {Michael D. Rychener and Allen Newell},
year = {1977},
doi = {10.1145/1045343.1045365},
url = {http://doi.acm.org/10.1145/1045343.1045365},
researchr = {https://researchr.org/publication/RychenerN77},
cites = {0},
citedby = {0},
journal = {SIGART Bulletin},
volume = {63},
pages = {37-38},
}