American Institute of Electrical Engineers, Transactions of the
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 8 > 848 - 852
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 9 > 955 - 958
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 11 > 1153 - 1161
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 12 > 1359 - 1366