M. Fok
2010, Article (sc. journal)
M. Fok
1997, Ph.D. thesis
T. Ngaido
2004, Conference proceedings
Fok Michel
2011, Article (sc. journal)
L. Gunter
2007, Conference proceedings
S. Fan
2004, Conference proceedings
N. Xu and M. Fok
2010, Article (sc. journal)
J. Tefft and C. Penders and J. Staatz
1999, Article (sc. journal)