D. Li, R. Jr. Landry, P. Lavoie, « A Quaternion By RlandryMay 29, 20142010 D. Li, R. Jr. Landry, P. Lavoie, « A Quaternion Based Robust Attitude Initial Alignment Approach for Using Low-Cost MEMS/Magnetometer Sensors », IEEE Transaction on DSP, 1/12/2010. (CRSNG)