| 其他書名 | A Regional Air Quality Attainment and Maintenance Plan for Southeastern Wisconsin : 2000, May 7, 1980 and May 14, 1980 |
| 出版 | Southeastern Wisconsin Regional Planning Commission, 1980 |
| URL | http://books.google.com.hk/books?id=P6vtAAAAMAAJ&hl=&source=gbs_api |