| 其他書名 | A Study of the Effects of Variations in Assignment Procedures, Definitions of Live Births, and Completeness of Birth Registration |
| 出版 | U.S. Government Printing Office, 1935 |
| URL | http://books.google.com.hk/books?id=lwdOMVgadckC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |