@inbook{Zeman2007,
author = {Zeman, K.},
title= {Nemanžeská plodnost - demografický přehled [Extramarital fertility – a review]},
year = {2007},
editor = {Hamplová, D.},
editor = {Chaloupková, J.},
editor = {Soukupová, E.},
editor = {Sunega, P.},
editor = {Zeman, K.},
booktitle = {Děti na psí knížku? [Childbearing without marriage?]},
address = {Prague},
publisher = {Institute of Sociology, Academy of Sciences of the Czech Republic},
pages = {17--28},
}