| 其他書名 | Proceedings of the Workshop, March 20-22, 1967, Washington, D.C. |
| 出版 | U.S. Department of Health, Education, and Welfare, Social and Rehabilitation Service, 1968 |
| URL | http://books.google.com.hk/books?id=dKinipsO7FkC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |