@book{chicago,
  title = "Chicago",
}

@book{texbook,
  title = "texbook"
}

@book{prime-number-theorem,
  title = "prime number theorem",
}

@book{1234567890)(@!`['";:]|<>./?-=+_$^&,
  title = "weird label"
}

@book{others,
  author = "Jill and Susan and others"
}

@book{accented,
  author = "{\'E}ric {\'E}ttelbaum"
}