Search results for: R. Ludwig
Transactions of the American Institute of Electrical Engineers > 1934 > 53 > 10 > 1384 - 1388
Transactions of the American Institute of Electrical Engineers > 1934 > 53 > 1 > 75 - 78
Transactions of the American Institute of Electrical Engineers > 1932 > 51 > 1 > 92 - 104