| 其他書名 | Iowa's Contribution to Highway Engineering 1904-1974 |
| 出版 | Center for Transportation Research and Education, Iowa State University, 1997 |
| 主題 | Technology & Engineering / Civil / Highway & Traffic |
| ISBN | 09652310119780965231015 |
| URL | http://books.google.com.hk/books?id=ff8JAQAAMAAJ&hl=&source=gbs_api |