F. Guinhos

Compositional dependence of up-conversion process in Tm3+–Yb3+ codoped oxyfluoride glasses and glass-ceramics

P. Santa-Cruz, F. Guinhos, P. C. Nobrega, 2001 .

Synthesis, characterization and use of Nb2O5 based catalysts in producing biofuels by transesterification, esterification and pyrolysis

J. Rubim, P. Suarez, André P. Tavares, 2009 .