K.H. Han, Q. Wang, J.L. Zhao, K.H. Luo, H. Li, Y. Chen, and C.M. Lu

V. Mathai, M.W.M. Neut, E.P. van der Poel, and C. Sun

S. Li, B. Yang, and F. Qi

P. Zhao, W.H. Yuan, H.Y. Sun, Y.Y. Li, A.P. Kelley, X.L. Zheng, and C.K. Law

R.A. Verschoof, R.C.A. van der Veen, C. Sun, and D. Lohse

O.J. Ugarte, V. Bychkov, J. Sadek, D. Valiev, and V. Akkerman

S. Yang, A. Saha, F.J. Wu, and C.K. Law

Z. Lu, L. Zhou, Z.Y. Ren, T.F. Lu, and C.K. Law