All users of these materials should cite:

####################################################
# Warren, T. Camber. 2015. "Explosive Connections? #
# Mass Media, Social Media, and the Geography of   #
# Collective Violence in African States."          #
# Journal of Peace Research 52 (3).                #
####################################################

In addition, users of data files derived from external sources should cite 
the original sources, as follows:

## Geo-Referenced Household Surveys

MEASURE DHS (2012) Demographic and Health Surveys. DHS-V Household Recode. 
Calverton, MD: ICF International (http://dhsprogram.com/data).


## Geo-Referenced Violent Events

Sundberg, Ralph; Matilda Lindgren & Ausra Padskocimaite (2010) UCDP 
Georeferenced Event Dataset (GED) Codebook. Version 1.5. Department of Peace 
and Conflict Research, Uppsala University 
(http://www.ucdp.uu.se/ged/data.php).

Sundberg, Ralph & Erik Melander (2013) Introducing the UCDP Georeferenced 
Event Dataset. Journal of Peace Research 50(4): 523-532.


## Gridded GDP

Nordhaus, William D (2006) Geography and macroeconomics: New data and new 
findings.Proceedings of the National Academy of Sciences 103(10): 3510-3517.

Nordhaus, William; Qazi Azam, David Corderi, Kyle Hood, Nadejda Makarova 
Victor, Mukhtar Mohammed, Alexandra Miltner & Jyldyz Weiss (2006) The G-Econ 
database on gridded output: Methods and data. Version 4.0. Yale University 
(http://gecon.yale.edu/).


## Ethnic Settlement Patterns

Wucherpfennig, Julian; Nils B Weidmann, Luc Girardin, Lars-Erik Cederman & 
Andreas Wimmer (2011) Politically relevant ethnic groups across space and 
time: Introducing the GeoEPR dataset. Conflict Management and Peace Science 
28(5): 423-437.


## Elevation

USGS (1996) U.S. Geological Survey (USGS) GTOPO30 Global 30 Arc-Second 
Elevation Data Set. EROS Data Center (EDC). Sioux Falls, SD 
(https://lta.cr.usgs.gov/GTOPO30)


## Population Density

CIESIN (2005) Center for International Earth Science Information Network 
(CIESIN), Gridded Population of the World. Version 3. Population Density 
Grid. Palisades, NY: Socioeconomic Data and Applications Center 
(http://dx.doi.org/10.7927/H4XK8CG2).


## Urban Extent

CIESIN (2011) Center for International Earth Science Information Network 
(CIESIN), Global Rural-Urban Mapping Project. Version 1. Urban Extents Grid. 
Palisades, NY: Socioeconomic Data and Applications Center 
(http://dx.doi.org/10.7927/H4GH9FVG).


