Journal of The Franklin Institute - v. 228, n. 2 (August 1939)
Published: | August 1939 |
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Articles in this Issue
Author(s) | Title | Page(s) |
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Tunnel paved with concrete blocks | 168 |
Published: | August 1939 |
---|
Author(s) | Title | Page(s) |
---|---|---|
Tunnel paved with concrete blocks | 168 |