松脂岩 (Japanese Wikipedia)
Analysis of information sources in references of the Wikipedia article "松脂岩" in Japanese language version.
refsWebsite
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Japanese rank
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12th place
doi.org
- Ballin, Torben Bjarke (2015). “Arran pitchstone (Scottish volcanic glass): New dating evidence”. Journal of Lithic Studies (University of Edinburgh) 2 (1): 5-16. doi:10.2218/jls.v2i1.1166.
pref.kagoshima.jp
- “地質関係 岩石”. 鹿児島県. 2020年8月18日閲覧。