References

Haessig, D. 1996. Line-of-Sight Pointing and Stabilization Control System. In The Control Handbook, edited by W. S. Levine, 1326--1338. Boca Raton, FL: CRC Press.

Moore, Bruce C. 1981. Principal component analysis in linear systems: Controllability, observability, and model reduction. IEEE Transactions on Automatic Control AC-26(1): 17--32.