TY - GEN AU - Hamood Al-Khaldi and Majid Al-Towairqi; Prof Farid Gul, Advisor TI - Strapdown Inertial navigation System Error Correction by Celetial Observations U1 - PR 1765 PY - 2009/// CY - Rwaalpindi PB - NUST N1 - BE Project Reports ER -