M.H. Alp, E. Lipschitz
D.S. Henning, G.R. Brown, L.E. St-Pierre
D.S. Henning, G.A. Lajoie, G.R. Brown [...]
M Gonçalves, NT Paiva, JM Ferra [...]
Ming Gao, Kai Zhu, Ying Juan Sun [...]
M. Gao, D. X. Pan, C. Y. Sun
V. G. Kulkarni, K. J. Whiteley
A Henriques, J Ferra, P Cruz [...]
, NT Paiva, JM Ferra , NT Paiva, JM Ferra , NT Paiva, JM Ferra 
