@book{Bearn+1999,
url = {https://doi.org/10.70249/9780871694270},
title = {Useful Knowledge},
title = {The Millennium Program, Memoirs, American Philosophical Society (vol. 234)},
author = {Alexander G. Bearn},
publisher = {The American Philosophical Society Press},
address = {Philadelphia, PA},
doi = {doi:10.70249/9780871694270},
isbn = {9780871694270},
year = {1999},
lastchecked = {2026-05-02}
}