Anonyme
1997, Conference proceedings
A. D. Jonas, W. Bertus, D. Gustave, O. Gaston
2002, Conference proceedings
P. Mendez del Vilar and C. Magri Ferreira and J. Galvarros Bueno Lobo Ribeiro
2007, Conference proceedings
A. Achi
2004, Conference proceedings
M. Arriaza
2008, Conference proceedings
M. Cattin and K. Nudukpo
2004, Conference proceedings
M. Arriaza and P. Ruiz
2001, Conference proceedings
M. Fok
2007, Conference proceedings
M. Fok and M. Gouse and J. Hofs
2008, Conference proceedings
A. Rodríguez and M. Arriaza
1997, Conference proceedings