A. R. Hard
发表
A. R. Hard,
R. D. Holben,
1967
.
A. N. Shealy,
A. R. Hard,
M. B. Elton,
1959,
Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.
A. R. Hard,
R. J. Mather,
R. Mather,
1958,
Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.