| 000 | 00490nam#a2200169ua#4500 | ||
|---|---|---|---|
| 001 | GOACATREC67019 | ||
| 245 | 0 | 0 | _aDetermination of Airborne Fibre Number Concentrations |
| 110 | 0 | 0 | _aWorld Health Organization |
| 902 | 0 | 0 | _a341.76505 |
| 650 | 0 | 0 | _aAir Pollutants Occupational Analysis |
| 650 | 0 | 0 | _aEnvironmental Monitoring Methods |
| 650 | 0 | 0 | _aMicroscopy, Phase - Contrast |
| 900 | 0 | 0 | _a19990929 |
| 901 | 0 | 0 | _aENG |
| 903 | 0 | 0 | _a80214 |
| 260 | 0 | 0 |
_aGeneva _bWorld Health Organization _c1997 |
| 999 |
_c67059 _d67059 |
||