1. What is the difference between ‘loose’, ‘tight’, ‘ultra-tight’, and ‘deep’ integration strategies for INS and GNSS?;Gebre-Egziabher;Inside GNSS,2007
2. Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems;Groves,2008
3. Indoor GPS Technology;Van Diggelen,2001
4. GPS receiver performance enhancement via inertial velocity aiding;Jwo;J. Navig.,2001