TOPS (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "TOPS" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

1railwaysarchive.co.uk

low place

5,842^nd place

2^nd place

2^nd place

low place

low place

low place

low place

3squared.com

"3Squared RailSmart". 3Squared. Retrieved 20 May 2019.

books.google.com

Encyclopedia of North American Railroads. Indiana University Press. 2007. p. 329. ISBN 9780253027993. Retrieved 22 November 2019.

doi.org

Aylen, Jonathan; Gwynne, Bob (1 March 2019). "Meet Tops British Rail's Management System". ITNOW. 61 (1): 46–47. doi:10.1093/itnow/bwz019.

railwaysarchive.co.uk

Amott, Robert (1979). "TOPS: The story of a British Railways Project" (PDF).

sddt.co.uk

South Devon Railway newsletter 8