| 서명 | MSHA's Procedure for Determining Quartz Content of Respirable Coal Mine Dust |
|---|---|
| 저자 | U.S. Department of Labor Mine Safety and Health Administration |
| 발행처 | U.S. Department of Labor Mine Safety and Health Administration |
| 발행년도 | 1984 |
| 청구기호 | 530.982 U84m |
| 소장처/자료실/서가 | 안전보건공단/일반자료실/ |