R. Hufnagel
发表
R. Hufnagel,
N. R. Stanley,
1964
.
R. Hufnagel,
Robert E. Hufnagel,
1968
.
Pravin K. Mehta,
Robert E. Hufnagel,
R. Hufnagel,
1990,
Defense, Security, and Sensing.
R. Hufnagel,
R. E. Hufnagel,
1958,
Transactions of the American Institute of Electrical Engineers, Part II: Applications and Industry.
R. Hufnagel,
Karl W. Hering,
Robert E. Hufnagel,
1961
.