TY  - RPRT
TI  - Simple method for creating a casting orientation mark on ringless investment molds.
AU  - S E Keith
AU  - W C Martin
PY  - 1999
DO  - 10.1016/s0022-3913(99)70258-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9922443/
ID  - 9922443
ER  -