共 21 条
[1]
1927, SOC, P2579
[2]
1931, HELV, V13, P1184
[3]
1928, HELV, V11, P512
[4]
1927, C R, V186, P767
[5]
1928, HELV, V11, P501
[6]
1910, C R, V150, P707
[7]
1930, HELV, V13, P1152
[8]
1913, Patent No. 255519
[9]
1930, HELV, V13, P1168
[10]
1927, SOC, P1536