@book{Smolin:TTWP,
  title     = "The Trouble with Physics",
  author    = "Lee Smolin",
  address   = "London",
  isbn      = "978-0-141-01835-5",
  publisher = "Penguin Random House",
  year      = "2008",
}
@book{Susskind:SRCFT,
  title     = "Special Relativity and Classic Field Theory",
  author    = "Leonard Susskind and Art Friedman",
  address   = "London",
  isbn      = "978-0-141-98501-5",
  publisher = "Penguin Random House",
  series    = "The Theoretical Minimum",
  volume    = "3",
  year      = "2017",
}