@misc{1197441,
  author = {Harriet Hassler and Harriet Hassler and Charles A Burroughs},
  title = {Ferdinand Rudolph Hassler (1770-1843):},
  year = {2007},
  month = {2007-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.1068},
  language = {en},
}