@article{Geiger2018,
author = {Geiger, T.},
title= {Continuous national gross domestic product (GDP) time series for 195 countries: Past observations (1850–2005) harmonized with future projections according to the shared socio-economic pathways (2006–2100)},
year = {2018},
doi = {10.5194/essd-10-847-2018},
volume = {10},
number = {2},
pages = {847--856},
}