共 8 条
[1]
BAUM G, 1965, ULTRASONIC ENERGY
[2]
BRONSON N, 1969, 4 P INT C ULTR OP
[3]
BUSCHMANN W, 1965, ULTRASONICS, V3, P18
[8]
KOSSOFF G, 1964, ULTRASONICS, V2, P29