LIESKOVSKÁ, Vanda - MEGYESIOVÁ, Silvia. Is there a correlation between the increasing mean age of women at childbirth and the declining total fertility rates? In World Statistics Congress 2013 : proceedings of the 59th World Statistics Congress of the International Statistical Institute : 25-30 August 2013, Hong Kong, China. - Hague : International Statistical Institute, 2013. ISBN 978-90-73592-34-6, p. 5528-5533 online. VEGA 1/0906/11. Dostupné na : <http://www.statistics.gov.hk/wsc/CPS203-P41-S.pdf>