| 其他書名 | Description of Age Group Xiii, Embryos about 4 Or 5 Millimeters Long, and Age Group Xiv, Period of Indentation of the Lens Vesicle |
| 出版 | Carnegie Institution of Washington, 1945 |
| URL | http://books.google.com.hk/books?id=d704nQEACAAJ&hl=&source=gbs_api |