共 6 条
[1]
BRAUNS DH, 1929, AM SOCIOL, V51, P1820
[2]
GYSEL H, 1941, HELV CHIM ACTA, V24, pE128
[3]
HUDSIN CF, 1925, AM SOCIOL, V47, P2052
[5]
SCHLUBACH H, 1932, Z PHYSL CH, V213, P83