@article{KhrykinHennawiWorseck2019,
  author    = {Ilya S. Khrykin and Joseph F. Hennawi and Gabor Worseck},
  title     = {Evidence for short similar to 1 Myr lifetimes from the He II proximity zones of z similar to 4 quasars},
  journal   = {Monthly notices of the Royal Astronomical Society},
  volume    = {484},
  number    = {3},
  pages     = {3897 -- 3910},
  doi       = {10.1093/mnras/stz135},
  year      = {2019},
}