共 7 条
[2]
KNAPP O, 1932, SPRECHSAAL, V65, P707
[3]
LIPKA J, 1918, GRAPHICAL MECH COMPU, P120
[5]
STUCKERT L, 1932, GLASHUTTE, V62, P798
[6]
TAYLOR, 391 US BUR STAND
[7]
TAYLOR, 405 US BUR STAND