Structural properties of the range-II- and range-III order in amorphous-SiO2 probed by electron paramagnetic resonance and Raman spectroscopyG. Vaccaro, G. Buscarino, S. Agnello, G. Messina, M. Carpanese and F. M. GelardiEur. Phys. J. B, 76 2 (2010) 197-201DOI: https://doi.org/10.1140/epjb/e2010-00189-y