Bibliography - Reactors

17.  T. Spooner, "Effect, of a Superposed Alternating Fie'd on Apparent Magnetic Permeability and Hysteresis Loss," Phys. Rev., 25 (2nd series), 527 (January-June, 1925).

18.  L. B. Arguimbau, P. K. McElroy, and R. F. Field, iron-Cored Coils jor Use at Audio Frequencies, General Radio Co., Cambridge, Mass.

19.  V. E. Legg, "Optimum Air Gap for Various Magnetic Materials in Cores of Coils Subject to Superposed Direct Current," Trans. A1ER, 64, 709 (1945).

20.  George Katz, "Effect of Temperature on iron Powder Cores," Elec. Mfg., 53, 135 (February, 1954).