| 其他書名 | The Report of the Summer Study Conducted at the State University of Iowa, Iowa City, Iowa. June 17-August 10, 1962 |
| 出版 | National Academy of Sciences-National Research Council, 1962 |
| URL | http://books.google.com.hk/books?id=YfH150QnBEwC&hl=&source=gbs_api |