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Reference code
Reference
BGR_01
European Demographic Observatory (ODE). Data collection submitted to the HFC by Jean-Paul Sardon, 2011.
BGR_02
National Institute of Demographic Studies (INED) (1991).
Population (French Edition)
46e(3): 703-768. Data downloaded on 25.07.2014.
[Original URL]
BGR_03
Human Fertility Database. Max Planck Institute for Demographic Research (Germany) and Vienna Institute of Demography (Austria). Available at www.humanfertility.org. Data downloaded on 02.08.2023.
[Original URL]