An accurate strapdown direction cosine algorithm /
by John W. Jordan.

APA Citation

Jordan, J. W., Electronics Research Center (U.S.). (1969). An accurate strapdown direction cosine algorithm. Washington, D.C.: National Aeronautics and Space Administration .

MLA Citation

Jordan, John W, and Electronics Research Center (U.S.). An Accurate Strapdown Direction Cosine Algorithm. Washington, D.C.: National Aeronautics and Space Administration , 1969.