共 5 条
[1]
LAURSON PG, 1954, MECHANICS MATERIALS, P80
[3]
ROYDHOUSE RH, UNPUBLISHED REPORT
[4]
STANFORD J. W., 1960, JOUR AMER DENTAL ASSOC, V60, P746
[5]
TYLDESLEY WR, 1959, BR DENT J, V106, P269