TY  - RPRT
TI  - Improved wax mold technique forms complex passages in solid structures
AU  - Hellbaum, R. F.
AU  - Page, A. D.
AU  - Phillips, A. R.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19710000062
ID  - 19710000062
ER  -