{
   "title": "Ergebnisse der Exakten Naturwissenschaften",
   "online": "1",
   "first-renewed-issue": {"volume": "18", "cdate": "1939"},
   "first-renewed-issue-source": "1967-JanJun",
   "first-renewed-contribution": "none",
   "first-renewed-contribution-source": "database",
   "additional-notes": [
      "This is a German publication. Its contents may still be copyrighted even without renewals or copyright notices, if they meet GATT copyright restoration requirements for works first published outside the US. Some volumes may also mention New York as a publisher location, however.",
      "The first active renewal reported in CCE with this title, noted here, was filed under Books, and not under Periodicals. Some other volumes may also have been renewed under their distinctive titles instead of the serial title; we have not systematically searched for such titles."
   ],
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "acknowledgement": 
      "Thanks to Shelton Henderson for copyright research on this title.",
   "last-updated": "2022-02-27"
}