American Institute of Electrical Engineers, Transactions of the
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 1 > 20 - 26
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 1 > 109 - 115
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 8 > 832 - 837
Transactions of the American Institute of Electrical Engineers > 1935 > 54 > 11 > 1178 - 1185