アメリカ合衆国の3フィート6インチ軌間の鉄道 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "アメリカ合衆国の3フィート6インチ軌間の鉄道" in Japanese language version.

refsWebsite

Global rank Japanese rank

1books.google.com

3^rd place

61^st place

1pioneertunnel.com

low place

low place

books.google.com

Lowrie, Raymond L., ed (2002). “Excavation, Loading, and Material Transport”. SME Mining Reference Handbook. Society for Mining, Metallurgy and Exploration. p. 232 9 Oct 2012閲覧。

pioneertunnel.com

Pioneer Tunnel - official website