- Algeria
- Rouabah and Descamps, 2001
- Austria
- Richter, 2010
- Bosnia-Herzegovina
- Richter, 2010
- Canada
- Richter, 2010
- Egypt
- Mahmoud, 2007
- Finland
- Richter, 2010
- France
- Bouche, 1972; Pelosi, 2008; Richter, 2010
- Germany
- Richter, 2010
- New Zealand
- Lee, 1959
- Norway
- Haraldsen et al., 1994; Sveistrup et al., 1997; Bakken et al., 2006; Pommeresche et al., 2009b.
- Romania
- V.V.Pop and A.A.Pop, 2006; V.V.Pop, 2012.
- Sweden
- Richter, 2010
- United Kingdom
- Michaelsen, 1900; Sims and Gerard, 1985; Sims and Gerard, 1999; Blakemore, 2008
- United States
- Tomlin, 1983; Frelich et al., 2006; James et al., 2010
|
Data are not exhaustive. The database is permanently a work in progress.