共 4 条
[1]
COHN N, 1950, ELECTRIC LIGHT POWER, V28, P100
[2]
COHN N, 1950, P AM POWER C CHICAGO, V12, P159
[3]
COHN N, 1967, IEEE T POWER AP SYST, VPA86
[4]
Cohn N., 1950, ELECTR LIGHT POWER, V28, P82