共 7 条
[1]
CALLEJA J, 1953, J AM CONCRETE I, V25, P249
[2]
JORGENSEN K D, 1963, Acta Odontol Scand, V21, P141, DOI 10.3109/00016356308993955
[4]
Paffenbarger G. C., 1938, J AM DENT ASSOC, V25, P32