共 11 条
[1]
EBATA Y, 1981, P IEEE ULTR S, P111
[4]
HIKITA M, 1984, P IEEE ULTR S, P82
[5]
Jones DS., 1964, THEORY ELECTROMAGNET
[7]
Nakamura K, 1977, P IEEE ULTR S, P819
[10]
STAKGOLD I, 1968, BOUNDARY VALUE PROBL, V2