J. F. Coales,International Congress of the I. F. A. C..International Congress of the I. F. A. C. (1st : 1960 : Moscow)：Automatic and remote control．V.3.Butterworths,1961.
J. F. Coales,International Congress of the I. F. A. C..International Congress of the I. F. A. C. (1st : 1960 Moscow)：Automatic and remote control．V.1.Butterworths,1961.
