“…After that, there have been many studies. These are Verrier (1955), Demoulin (1963Demoulin ( , 1965, Puthz (1972Puthz ( , 1973Puthz ( , 1978, Jacob (1977), Soldan & Landa (1977), Koch (1980Koch ( , 1985Koch ( , 1988, Berker (1981), Braasch (1981Braasch ( , 1983a, Kazancı (1984;1987a,1987b, 1990a,1990b, 1991, 1998a,1998b, 2001a, 2001b, 2011, Kazancı & Braasch (1986, 1988, Kazancı & Thomas (1989), Sowa et al (1986), Tanatmış (1995Tanatmış ( , 1997Tanatmış ( , 1999Tanatmış ( , 2000Tanatmış ( , 2002Tanatmış ( , 2004aTanatmış ( , 2004bTanatmış ( , 2005, Belfiore et al (2000), Tanatmış & Ertorun (2006, Dalkıran (2009), Taşdemir et al (2008), Topkara et al (2009), Kazancı & Türkmen (2008a, 2008b, Kazancı & Girgin ...…”