共 10 条
[1]
BAGENAL H, PLANNING GOOD ACOUST, P82
[2]
EYRING CF, 1932, Patent No. 1845080
[3]
HANSON RL, 1931, M AC SOC AM NOV 30
[5]
Maxfield J.P., 1926, T AM I ELECT ENG, V45, P334, DOI [10.1109/T-AIEE.1926.5061226, DOI 10.1109/T-AIEE.1926.5061226]
[7]
Potwin CC, 1939, J SOC MOTION PIC ENG, V32, P156
[8]
Sabine WC., 1923, COLLECTED PAPERS ACO