@misc{indiciaefb6145d75957,
  title = {Time compatible accelerograph power supply},
  author = {John Nielson and Arnold V. Acosta},
  year = {1988},
  doi = {10.3133/ofr88564},
  url = {https://pubs.usgs.gov/publication/ofr88564},
  note = {Source identifier: ofr88564}
}