Hans Peter Luhn and Herbert M. Ohlman: Their roles in the origins of keyword-in-context/permutation automatic indexing.

@article{williams-2010-hans, author = {Robert V. Williams}, title = {{Hans Peter Luhn and Herbert M. Ohlman: Their roles in the origins of keyword-in-context/permutation automatic indexing}}, journal = {Journal of the Association for Information Science and Technology (JASIST)}, volume = {61}, number = {4}, pages = {835--849}, year = {2010}, url = {https://doi.org/10.1002/ASI.21265}, doi = {https://doi.org/10.1002/ASI.21265} }