| LDR | 00343namk 00133 k 4500 | |
|---|---|---|
| 001 | 000000019620 | |
| 005 | 19920905133403 | |
| 008 | 920905s1972 us 000a eng | |
| 049 | ▼l WM00000999 | |
| 090 | ▼a 530.9822 ▼b N2778o | |
| 245 | 10 | ▼a Occupational exposure to beryllium / ▼d NIOSH |
| 260 | ▼a United States: ▼b NIOSH, ▼c 1972 | |
| 710 | ▼a NIOSH | |
| 950 | 0 | ▼a 기증 |