1. Factorization methods for discrete sequential estimation;Bierman,1977
2. Bosgra, J.A., Reumers, J.J.M., King, A.D., and colleagues (1979). Gyro noise measurement and analysis. NLR TR 79077 U.
3. Bosgra, J.A. and Smilde, H. (1981). Experimental and system study of reaction wheels. Part I: Measurement and statistical analysis of force and torque irregularities. NLR TR 82003 U PART 1
4. Coffman, V.D. and D.B. DeBra (1975). Estimation of gyro parameters for experimentally developed gyro models. AIAA Paper No 75–1071, Boston, Mass.
5. Dam, R.F. van den (1981). Digital spacecraft state estimation: an algorithm based on minimum variance estimates, NLR IW-81–017 U.