| LDR | 00425namk 00157 k 4500 | |
|---|---|---|
| 001 | 000000020671 | |
| 005 | 19891116133403 | |
| 008 | 891116s1986 sz 000 eng | |
| 020 | ▼a 92-4-154194-6 | |
| 049 | ▼l WM00003319 ▼v s.54 | |
| 090 | ▼a 517.408 ▼b W927g ▼c s.54 | |
| 100 | 1 | ▼a WHO |
| 245 | 10 | ▼a Ammonia / ▼d WHO |
| 260 | ▼a 스위스: ▼b World Health Organization, ▼c 1986 | |
| 300 | ▼a 210p, ▼c 20cm | |
| 440 | 10 | ▼a Environmental health criteria; ▼v 54 |