共 35 条
[1]
Abromowitz M., 1964, HDB MATH FUNCTIONS
[3]
BORDONI PG, 1958, ACUSTICA, V8, P351
[4]
BORDONI PG, 1947, NUOVO CIMENTO, V4, P179
[6]
BROBERG KB, 1959, 139 T R I TECH STOCK
[7]
CALVERT R, 1962, Patent No. 3048775
[8]
CALVERT R, 1959, Patent No. 2880390
[10]
CANTRELL JH, 1974, ULTRASONICS S P, P537