TY  - BOOK
ED  - United States.
TI  - Silicosis prevention: dust control in foundries
AV  - HD7264 .U6 1939a
PY  - 1939///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Lungs
KW  - Dust diseases
KW  - Foundries
N1  - "Selected references": p. 25
ER  -