TY  - RPRT
TI  - Improved diamond coring bits developed for dry and chip-flush drilling
AU  - Decker, W. E.
AU  - Hampe, W. R.
AU  - Hampton, W. H.
AU  - Simon, A. B.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19710000356
ID  - 19710000356
ER  -