- Albania
- Szederjesi and Csuzdi, 2012b
- Algeria
- Omodeo et al., 2003; Bazri et al., 2013; Zeriri et al., 2013
- Bulgaria
- Zicsi and Csuzdi, 1986b; Tsekova and Bogoev, 2010; Stojanovic et al., 2012
- Canada
- Ontario: Reynolds, 1977
- Denmark
- Blakemore, 2007
- Finland
- Blakemore, 2007
- France
- Bouche, 1972
- French Guiana
- Cernosvitov, 1934; Cernosvitov, 1935
- Georgia
- Bakhtadze et al., 2008
- Greece
- Szederjesi and Csuzdi, 2012
- Greenland
- Stop-Bowitz, 1969; Blakemore, 2007b
- Guatemala
- Brown and Fragoso, 2007
- Iceland
- Stop-Bowitz, 1969; Blakemore, 2007b
- India
- Sinha et al., 2013
- Iran
- Ezzatpanah, 2010; Mirmonsef et al., 2011; Farhadi et al., 2013
- Japan
- Blakemore, 2003, 2003b
- Jordan
- Csuzdi and Pavlicek, 2005; Szederjesi et al., 2013
- Madeira
- Talavera, 1996
- Morocco
- Omodeo et al., 2003
- New Zealand
- Lee, 1959; Martin, 1977
- Nicaragua
- Sherlock et al., 2011
- Norway
- Stop-Bowitz, 1969; Blakemore, 2007.
- Romania
- Pop V.V., 2012.
- Russia
- Perel, 1979; Perel-Vsevolodova, 1997; Blakemore, 2007c; Kamchatka: Shekhovtsov et al., 2014
- Serbia
- Milutinovic, 2010
- Sweden
- Blakemore, 2007
- Taiwan
- Blakemore et al., 2006
- Turkey
- Omodeo and Rota, 1989; Misirlioglu, 2008
- Ukraine
- Bolotetskii and Kodolova, 2005.
- United Kingdom
- Sims and Gerard, 1985, 1999; Scotland: Carpenter, 2011
- United States
- Alaska: Bowser et al., 2013
- Uruguay
- Grosso and Brown, 2007
- Uzbekistan
- Rakhmatullaev et al., 2010
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