“…SPACE (3D) 2 bar: (Xiong, 2002;Rao & Xiong, 2005a;Rao & Xiong, 2005b) 3 bar: (Rao, 1987b;Chen & Wang, 1989;Rao et.al., 1992;Yu & Xu, 1994;Shih & Lai, 1994;Forouraghi et.al., 1994;Shih & Chang, 1995;Shih & Wangsawidjaja, 1995;Shih & Wangsawidjaja, 1996;Shih et.al., 1997;Yoo, 2000;Yoo & Hajela, 2001;Wang et.al., 2005) 4 bar: (Kiyota et.al., 2001;Kiyota et.al., 2003) (Cheng & Li, 1997;Kelesoglu & Ülker, 2005b) 9 bar: (Kelesoglu & Ulker, 2005a) 10 bar: (Shih, 1997) 11 bar: (Yoo & Hajela, 2001) 25 bar: (Rao, 1987b;Rao et.al., 1992;Xiong, 2002;Rao & Xiong, 2005a;Rao & Xiong, 2005b;Kelesoglu & Ülker, 2005b) 56 bar: (Kelesoglu, 2007) 72 bar: (Cheng & Li, 1997) 120 bar: (Kelesoglu & Ulker, 2005a) 244 bar: (Kelesoglu & Ulker, 2005a) 1310 bar: (Sarma & Adeli, 2000a;Sarma, 2001) …”