@inbook{Katus2003,
author = {Katus, K.},
title= {Non-marital fertility in the Baltic region},
year = {2003},
editor = {Katus, K.},
editor = {Puur, A.},
booktitle = {Unity and diversity of population development: Baltic and South Caucasian regions},
address = {Tallinn},
publisher = {EKDK},
pages = {207--224},
series = {RU Series D, 3},
}