洛赫考夫期 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "洛赫考夫期" in Chinese language version.

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doi.org

harvard.edu

ui.adsabs.harvard.edu

  • Kaufmann, B.; Trapp, E.; Mezger, K. The numerical age of the Upper Frasnian (Upper Devonian) Kellwasser horizons: A new U-Pb zircon date from Steinbruch Schmidt(Kellerwald, Germany). The Journal of Geology. 2004, 112 (4): 495–501. Bibcode:2004JG....112..495K. doi:10.1086/421077. 

lyellcollection.org

jgs.lyellcollection.org