Relativity - Lecture 9

@misc{ pirsa_PIRSA:11090034,
  doi = {},
  url = {https://pirsa.org/11090034},
  author = {Turok, Neil},
  keywords = {Cosmology},
  language = {en},
  title = {Relativity - Lecture 9},
  publisher = {Perimeter Institute},
  year = {2011},
  month = {sep},
  note = {PIRSA:11090034 see, \url{https://pirsa.org}}
}