Appendix No. 20. Formula for Computing Comparative Economy of Railroad Ties
Author(s): |
Ashbel Welch
(Past President, ASCE)
|
---|---|
Medium: | journal article |
Language(s): | English |
Published in: | Transactions of the American Society of Civil Engineers, 1885, n. 1, v. 14 |
Page(s): | 358-360 |
DOI: | 10.1061/taceat.0000549 |
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14/04/2021