@misc{indiciaede7aa07bac69,
  title = {Deterministic direct aperture optimization using multiphase piecewise constant segmentation},
  author = {Nguyen, Dan and O'Connor, Daniel and Ruan, Dan and Sheng, Ke},
  year = {2017},
  doi = {10.1002/mp.12529},
  url = {https://www.osti.gov/biblio/1393990},
  note = {Source identifier: 1393990}
}