Heinrich Gerber (civil engineer) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heinrich Gerber (civil engineer)" in English language version.

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books.google.com

Daniel Coit Gilman, Frank Moore Colby, Harry Thurston Peck (1905). The new international encyclopaedia, Volume 8. Dodd, Mead, & Company. p. 597.{{cite book}}: CS1 maint: multiple names: authors list (link)
Journal of the Western Society of Engineers, Volumes 43-45. Western Society of Engineers. 1938. p. 260.
Ralf Roth, Marie-Noëlle Polino (2003). The City and the Railway in Europe. Ashgate Publishing. p. 88. ISBN 0754607666.