共 6 条
- [1] BEALS LS, 368 I AER SCI PREPR
- [2] CAPORALE P, 1945, ELECTRONICS, V18, P116
- [3] CHESTNUT H, 1951, SERVOMECHANISMS REGU, pCH11
- [4] JAMES HM, 1947, THEORY SERVOMECHANIS, pCH4
- [5] REINIGER SH, 1951, AVIATION WEEK 0702
- [6] Wirkler WH, 1951, United States Patent, Patent No. [2,548,278, 2548278]