A-unit (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "A-unit" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

books.google.com (Global: 3^rd place; English: 3^rd place)

Solomon, Brian (2000). The American Diesel Locomotives. Osceola, Wisconsin: MBI Publishing Company. pp. 56–57. ISBN 0-7603-0666-4.