@misc{indiciaec936b0415e2d, title = {A Novel Sensor for Attitude Determination Using Global Positioning System Signals}, author = {Crassidis, John L. and Quinn, David A. and Markley, F. Landis and McCullough, Jon D.}, year = {1998}, url = {https://ntrs.nasa.gov/citations/19980237566}, note = {Source identifier: 19980237566} }