共 6 条
[1]
EGAN, 1956, J ACOUST SOC AM, V28, P536
[2]
EGAN, 1955, AFCRCTN5567 IND U HE
[3]
PETERSON WW, 1953, TECHNICAL REPT, V13
[5]
AF18600571 US AIR FO
[6]
AFCRCTN5656 APPL LAB