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

Authors: Marques, C Santos, L Falcao, AN Silva, RC Alves, E

Citation: C. Marques et al., Luminescence studies in colour centres produced in natural topaz, J LUMINESC, 87-9, 2000, pp. 583-585