Walther von Hahn, Wolfgang Wahlster, Wolfgang Hoeppner. HAM-ANS (Hamburg application-oriented natural-language system): U. of Hamburg, FRG. SIGART Bulletin, 79:57, 1982. [doi]
@article{HahnWH82,
title = {HAM-ANS (Hamburg application-oriented natural-language system): U. of Hamburg, FRG},
author = {Walther von Hahn and Wolfgang Wahlster and Wolfgang Hoeppner},
year = {1982},
doi = {10.1145/1056663.1056696},
url = {http://doi.acm.org/10.1145/1056663.1056696},
researchr = {https://researchr.org/publication/HahnWH82},
cites = {0},
citedby = {0},
journal = {SIGART Bulletin},
volume = {79},
pages = {57},
}