@misc{indiciaef8ce0433de3e,
  title = {Subsurface Supergranular Vertical Flows as Measured Using Large Distance Separations in Time-Distance Helioseismology},
  author = {Duvall, Thomas L., Jr. and Hanasoge, S. M.},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20150007918},
  note = {Source identifier: 20150007918}
}