@article {12,
	title = {Extension of a Non-Linear, Two-Step Calibration Methodology to Include Non-Orthogonal Sensor Axes},
	journal = {IEEE Transactions on Aerospace Electronic Systems},
	volume = {44},
	year = {2008},
	month = {07/2008},
	chapter = {1070},
	author = {Gabriel H Elkaim and Christopher Foster}
}
