TY  - RPRT
TI  - Improved inlet system for the U.S. Geological Survey helium sniffer
AU  - G. Michael Reimer
AU  - E.H. Denton
PY  - 1978
DO  - 10.3133/ofr78588
UR  - https://pubs.usgs.gov/publication/ofr78588
ID  - ofr78588
ER  -