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2. WEAVER, L., "Reactor Dynamics and Control: State-Space Techniques", Chapters 8 and 9 (American Elsevier, New York, 1968).
3. HERRING, J., SCHULTZ, D., WEAVER, L. and VANASSE R., "Design of Linear and Nonlinear Control Systems via State Variable Feedback with Application in Nuclear Reactors Control", Engineering Experiment Station Report, University of Arizona, Tucson (Feb. 1967).
4. MELSA J. and SCHULTZ D., "Linear Control Systems" Chapters 3 and 9 (McGraw-Hill, New York, 1969).
5. SLIVINSKY, C. and WEAVER, L., "Reactor Control Using a New Multivariable Design Technique", Nucl.Sci.Eng., 37, 163–166 (1969).