@misc{indiciae96532e0cedd9,
  title = {A note on perfect scalar fields},
  author = {Unnikrishnan, Sanil and Sriramkumar, L},
  year = {2010},
  doi = {10.1103/physrevd.81.103511},
  url = {https://www.osti.gov/biblio/21409700},
  note = {Source identifier: 21409700}
}