Contreras, J., C. Baptista, I. Ferreira, D. Costa, S. Pereira, H. Águas, E. Fortunato, R. Martins, R. Wierzbicki, and H. Heerlein. "Amorphous silicon position sensitive detectors applied to micropositioning." Journal of non-crystalline solids. 352.9 (2006): 1792-1796.