Authors: Misheva, M Djourelov, N Margaca, FMA Salvado, IMM

Citation: M. Misheva et al., Positronium study of porous structure of sol-gel prepared SiO2: influence of pH, J NON-CRYST, 279(2-3), 2001, pp. 196-203

Authors: Margaca, FMA Falcao, AN Salgado, JF Carvalho, FG

Citation: Fma. Margaca et al., Multichannel collimation for SANS instruments, PHYSICA B, 276, 2000, pp. 189-191

Authors: Salvado, IMM Sousa, JS Margaca, FMA Teixeira, J

Citation: Imm. Salvado et al., Structure of SiO2 gels prepared with different water contents, PHYSICA B, 276, 2000, pp. 388-389

Authors: Misheva, M Djourelov, N Margaca, FMA Salvado, IMM

Citation: M. Misheva et al., Positronium decay study of zirconia-silica sol-gels, J NON-CRYST, 272(2-3), 2000, pp. 209-217

Authors: Margaca, FMA Salvado, IMM Teixeira, J

Citation: Fma. Margaca et al., Small angle neutron scattering study of silica gels: influence of pH, J NON-CRYST, 258(1-3), 1999, pp. 70-77