| Type | Journal Article - Publicationes Instituti Geographici Universitatis Tartuensis |
| Title | Seasonal variability of human reproduction in Estonia |
| Author(s) | |
| Volume | 107 |
| Publication (Day/Month/Year) | 2008 |
| Page numbers | 19-41 |
| URL | http://dspace.ut.ee/bitstream/handle/10062/54443/estonia_geographical_10_ocr.pdf#page=18 |
| » | Estonia - Population and Housing Census 2000 |