TY  - RPRT
TI  - Crown foundations with a custom matrix, composites, and reverse carving.
AU  - G J Livaditis
PY  - 1997
DO  - 10.1016/s0022-3913(97)70149-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9151276/
ID  - 9151276
ER  -