@misc{1173896,
  author = {Peter Manbach and Michael Shneier},
  title = {The GRAMPS operating system ::user's guide},
  year = {1988},
  month = {1988-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.88-3776},
  language = {en},
}