✓

@Book{            Weinberg:1977aa,
  Author        = "Weinberg, Steven",
  date-added    = "2020-04-10 11:07:26 +0200",
  date-modified = "2020-04-10 11:07:26 +0200",
  Title         = "The First Three Minutes - A Moderm View of the Origin of the Universe",
  Year          = "1977",
  File          = "15. Steven Weinberg - The First Three Minutes - A Moderm View of the Origin of the Universe (1977) (0) - a - a.pdf"
}

@Book{ Weinberg:1977aa, Author = "Weinberg, Steven", date-added = "2020-04-10 11:07:26 +0200", date-modified = "2020-04-10 11:07:26 +0200", Title = "The First Three Minutes - A Moderm View of the Origin of the Universe", Year = "1977", File = "15. Steven Weinberg - The First Three Minutes - A Moderm View of the Origin of the Universe (1977) (0) - a - a.pdf" }