TY - DATA AU - Center for International Earth Science Information Network - CIESIN - Columbia University PY - 2016 TI - Gridded Population of the World, Version 4 (GPWv4): Population Density CY - Palisades, NY PB - NASA Socioeconomic Data and Applications Center (SEDAC) UR - https://doi.org/10.7927/H4NP22DQ Y2 - 20240328 ER -