TY  - GEN
AU  - Ray,R.M.
AU  - Armstrong,Frederick E.
AU  - Carroll,Herbert B.
ED  - United States.
TI  - Evaluation of small, color-changing carbon monoxide dosimeters
T2  - Report of investigations
PY  - 1975///]
CY  - [Washington]
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Dosimeters
KW  - Mine gases
N1  - Item 637-A
ER  -