1. Description and Performance of the Saturn Launch Vehicle's Navigation, Guidance and Control System;Haeussermann,1970
2. An Iterative Guidance Scheme and its Application to Lunar Landing;Horn;NASA TN D-2869,1965
3. The Use of Digital Computer for the ELDO Inertial Guidance System;Gage,1970
4. Sensitivity Analysis of Approximate Optimum Guidance Procedures for On-line Operation;Gottzein,1970
5. Applied Optimal Control.;Bryson,1969