| 其他書名 | Technical Concrete Control Section Report No. C-307. Engineering and Geological Control and Research Division |
| 出版 | Branch of Design and Construction, 1946 |
| URL | http://books.google.com.hk/books?id=QorFdgx8IXAC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |