Steam trap (English Wikipedia)

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

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

books.google.com

Steam Trap Performance Assessment: Advanced Technologies for Evaluating the Performance of Steam Traps. DIANE Publishing. 1999. pp. 5–. ISBN 978-1-4289-1880-1.
Fitch, Charles Elliott (1916). Encyclopedia of Biography of New York. New York, NY: American Historical Society. p. 42 – via Google Books.