1. The Analysis of Sampled-Data Systems;Ragazzini;A.I.E.E. Trans.,1952
2. The Analysis and Synthesis of Sampled-Data Control Systems;Jury;A.I.E.E. Trans.,1954
3. Synthesis and Critical Study of Sampled-Data Control Systems;Jury;A.I.E.E. Trans.,1956
4. Transients in Linear Systems;Gardner,1942
5. Linear Difference Equations and the Dirichlet Series Transform;Fort;Am. Mathematical Monthly,1955