American Institute of Electrical Engineers, Transactions of the
Transactions of the American Institute of Electrical Engineers > 1950 > 69 > 2 > 1480 - 1487
Transactions of the American Institute of Electrical Engineers > 1950 > 69 > 2 > 671 - 679
Transactions of the American Institute of Electrical Engineers > 1950 > 69 > 2 > 1197 - 1202
Transactions of the American Institute of Electrical Engineers > 1950 > 69 > 2 > 1401 - 1408