| LDR | 00348namk 00121 k 4500 | |
|---|---|---|
| 001 | 000000015991 | |
| 005 | 19871130133403 | |
| 008 | 871130s1986 us 000a eng | |
| 049 | ▼l WM00002314 | |
| 090 | ▼a 530.98 ▼c E46s | |
| 245 | 10 | ▼a The struggle for worker's health / ▼d Elling,Ray H |
| 260 | ▼a United States: ▼b Baywood publishing com, ▼c 1986 | |
| 300 | ▼a 500p, ▼c 24cm |