- Algeria
- Baha, 1997; Omodeo et al., 2003; Zeriri et al., 2013
- Belgium
- Hlava and Kopecky, 2013; Muys, 2013
- Bulgaria
- Zicsi and Csuzdi, 1986b; Stojanovic et al., 2012
- Canada
- Reynolds, 1995; Quebec: Reynolds, 1975d, 1975e, 1976c; Lesage and Swert, 1978; Reynolds and Reynolds, 1992; Lapied et al., 2009
- China
- Blakemore, 2007e
- Costa Rica
- Brown and Fragoso, 2007
- Czech Republic
- Zeithaml et al., 2009; Svarc and Kula, 2011
- Denmark
- Blakemore, 2007.
- Egypt
- El-Duweini and Ghabbour, 1965; El-Din et al., 2012
- Estonia
- Ivask et al., 2006, 2012
- Finland
- Blakemore, 2007
- France
- Bouche, 1972
- Greece
- Szederjesi and Csuzdi, 2012
- Greenland
- Blakemore, 2007b
- Iceland
- Backlund, 1949; Blakemore, 2007b; Sigurdsson and Gudleifsson, 2013
- Iran
- Mirmonsef et al., 2011; Farhadi et al., 2013
- Japan
- Blakemore, 2003, 2003b
- Jordan
- Szederjesi et al., 2013
- Latvia
- Ventins, 2011
- Libya
- Bennour and Nair, 1997
- Madeira
- Talavera, 1996
- Morocco
- Omodeo et al., 2003
- New Zealand
- Lee, 1959
- Norway
- Haraldsen et al., 1994; Sveistrup et al., 1997; Hansen and Engelstad, 1999; Bakken et al., 2006; Blakemore, 2007; Pommeresche et al., 2009b.
- Qatar
- Al Yousuf, 1986
- Romania
- Brinzea, 2011; Pop V.V., 2012
- Russia
- Kamchatka: Shekhovtsov et al., 2014
- Serbia
- Milutinovic, 2010
- Sweden
- Blakemore, 2007
- Taiwan
- Blakemore et al., 2006
- The Netherlands
- Zorn et al., 2005c
- Tunisia
- Omodeo et al., 2003
- Ukraine
- Garbar and Vlasenko, 2007; Mezhzherin et al., 2008
- United Kingdom
- Sims and Gerard, 1999; Scotland: Carpenter, 2011
- United States
- Reynolds, 1995; Alaska: Bowser et al., 2013; Idaho: James, 2000; Montana: James, 2000; Oregon: James, 2000; Washington: James, 2000
- Uruguay
- Grosso and Brown, 2007
- Uzbekistan
- Rakhmatullaev et al., 2010
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