| 其他書名 | Fifty Years of Concrete Achievement by the Huron Portland Cement Company, 1907-1957 |
| 出版 | Prepared and produced under the direction of John B. Ford, III, by Denman and Baker, 1957 |
| URL | http://books.google.com.hk/books?id=HTDoAAAAMAAJ&hl=&source=gbs_api |