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- [1] POLE-SHIFTING TECHNIQUES FOR MULTIVARIABLE FEEDBACK SYSTEMS PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1971, 118 (02): : 387 - &
- [2] POLE-SHIFTING TECHNIQUES FOR MULTIVARIABLE FEEDBACK SYSTEMS PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1970, 117 (05): : 1037 - +