| LDR | 00389namk 00157 k 4500 | |
|---|---|---|
| 001 | 000000019550 | |
| 005 | 19811215133403 | |
| 008 | 811215s1977 us 000a eng | |
| 049 | ▼l WM00002969 | |
| 090 | ▼a 530.98208 ▼b N277z | |
| 100 | 1 | ▼a NIOSH |
| 245 | 10 | ▼a (Occupational exposure to) Zinc oxide / ▼d NIOSH |
| 260 | ▼a United States: ▼b NIOSH, ▼c 1977 | |
| 300 | ▼a 87p. | |
| 710 | ▼a NIOSH | |
| 950 | 0 | ▼a 기증 |