@book { FuturesPastEconomicForecastinginthe20thand21stCentury,
    title = "Futures Past. Economic Forecasting in the 20th and 21st Century",
    author = "Ulrich {Fritsche} and Roman {Köster} and Laetitia {Lenel}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16817",
    url = "https://www.peterlang.com/document/1068889"
}