1. Age of population and the development of population ageing in the regions of the Czech Republic
:DUFEK, Jaroslav - MINAŘÍK, Bohumil. Age of population and the development of population ageing in the regions of the Czech Republic. In Agricultural economics. - Prague : Institute of Agricultural and Food Information, 2009. ISSN 0139-570X, 2009, vol. 55, no. 6, s. 259-270. Available on Internet: <http://www.agriculturejournals.cz/publicFiles/07899.pdf>