| 其他書名 | A Report Submitted to the Engineering Research Service, Research Branch, Canada Agriculture Under National Program on Research, Development and Evaluation in Agricultural Mechanization |
| 出版 | Engineering Field Services Branch, Alberta Department of Agriculture, 1977 |
| URL | http://books.google.com.hk/books?id=v_ASGwAACAAJ&hl=&source=gbs_api |