共 12 条
[3]
BRUMFIELD RC, 1949, DENTAL GOLD STRUCTUR, P145
[5]
CERNICA JN, 1966, STRENGTH MATERIALS, P152
[6]
ESHBACH OW, 1975, HDB ENG FUNDAMENTALS, P538
[7]
KRELL D, 1979, USING NITINOL WIRE M, P22
[8]
KUSY RP, UNPUBLISHED
[9]
PIEPGRAS JJ, 1980, MET PROG, V117, P39
[10]
THUROW RC, 1972, EDGEWISE ORTHODONTIC, P29