@misc{1172411, author = {Mary Elizabeth Stevens}, title = {Automatic indexing ::a state-of-the-art report}, year = {1965}, month = {1965-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.MONO.91}, language = {en}, }