@misc{indiciaec6d9535e7da1, title = {Autonomous navigation system based on GPS and magnetometer data}, author = {Julie, Thienel K. and Richard, Harman R. and Bar-Itzhack, Itzhack Y.}, year = {2004}, url = {https://ntrs.nasa.gov/citations/20080005178}, note = {Source identifier: 20080005178} }