@misc{indiciaee401c3c56c09, title = {Topics concerning state variable feedback in automatic control systems. Part 1 - Specification. Part 2 - Sensitivity. Part 3 - Intentional nonlinearities. Part 4 - Unavailable states}, author = {Dial, J. H. and Muterspaugh, M. E. and Parekh, H. B. and Schultz, D. G. and White, R. C.}, year = {1968}, url = {https://ntrs.nasa.gov/citations/19690006080}, note = {Source identifier: 19690006080} }