@article {gaglione2011-1, title = {A stochastic sigma model for GLONASS satellite pseudorange}, journal = {APPLIED GEOMATICS}, volume = {3}, year = {2011}, pages = {{\textendash}}, issn = {1866-9298}, doi = {10.1007/ s12518-011-0046-0}, url = {http://dx.medra.org/10.1007/ s12518-011-0046-0}, author = {ANGRISANO, A and GAGLIONE, S and PUGLIANO, G and ROBUSTELLI, R and SANTAMARIA, R and VULTAGGIO, M} }