@article{AltiparmakEckerRezzolla2022,
  author    = {Sinan Altiparmak and Christian Ecker and Luciano Rezzolla},
  title     = {On the sound speed in neutron stars},
  journal   = {The astrophysical journal letters},
  volume    = {939},
  number    = {2, L34},
  doi       = {10.3847/2041-8213/ac9b2a},
  year      = {2022},
}