共 5 条
[1]
Heckl M., 1959, ACUSTICA, V9, P371
[2]
Heckl M., 1960, ACTA ACUST UNITED AC, V10, P109
[3]
HECKL M, 1963, ACUSTICA, V13, P182
[4]
MAIDANIK G, 1963, 1024 BOLT BER NEWM I
[5]
Morse P. M., 1948, VIBRATION SOUND, P318