1. Discrete-Data Control Systems;Kuo,1970
2. W. D. Fryer and W. C. Schultz: A Survey of Methods for Digital Simulation of Control Systems, Cornell Aeronautical Lab., Cornell University, New York.
3. Sampling period sensitivity of the optimal sampled data linear regulator;Melzer;Automatica,1971
4. On the optimal sampled data control of string of vehicles;Levis,1968
5. On the Optimal Samped-Data Control of Linear Processes;Levis,1968