{
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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
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    {
      "title": "Wernher von Braun Rakiery, terror i chwała",
      "subtitle": null,
      "slug": "wernher-von-braun-rakiery-terror-i-chwala",
      "url": "https://www.kolczanksiazek.pl/dennis-piszkiewicz/wernher-von-braun-rakiery-terror-i-chwala",
      "first_published": "2026-01-01",
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    {
      "title": "Wernher von Braun. Z \"Dory\" na Księżyc",
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      "url": "https://www.kolczanksiazek.pl/dennis-piszkiewicz/wernher-von-braun-z-dory-na-ksiezyc",
      "first_published": "2002-01-01",
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    {
      "title": "Podniebne loty Hanny Reitsch",
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      "slug": "podniebne-loty-hanny-reitsch",
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      "first_published": "2000-01-01",
      "series": null
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    {
      "title": "Przez zbrodnie do gwiazd",
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      "slug": "przez-zbrodnie-do-gwiazd",
      "url": "https://www.kolczanksiazek.pl/dennis-piszkiewicz/przez-zbrodnie-do-gwiazd",
      "first_published": "2000-01-01",
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}