| LDR | 00444namk 00157 k 4500 | |
|---|---|---|
| 001 | 000000031653 | |
| 005 | 19901218133403 | |
| 008 | 901218s1990 us 000a eng | |
| 049 | ▼l WM00000604 | |
| 056 | ▼a 530.98 | |
| 090 | ▼a 530.98 ▼b N277s | |
| 110 | ▼a National Safety Council. | |
| 245 | 10 | ▼a Safety & Health(1989.9, 1990.3-6) / ▼d National Safety Council |
| 260 | ▼a United States: ▼b National Safety Council, ▼c 1990 | |
| 300 | ▼c 28cm | |
| 503 | ▼a 제본도서 |