共 5 条
[1]
BOLTON W, 1958, ANGLE ORTHOD, V23, P114
[3]
HOPKINS SC, 1960, AM J ORTHOD DENTOFAC, V46, P443
[4]
Levin S., 1964, ANGLE ORTHOD, V34, P16
[5]
NEFF CW, 1957, ANGLE ORTHOD, V22, P146