TY  - BOOK
TI  - Determination of airborne fibre number concentrations: a recommended method by phase-contrast optical microscopy
SN  - 9241544961
U1  - 615.902 
PY  - 1997///
CY  - Geneva
PB  - WHO
KW  - ENVIRONMENTAL TOXICOLOGY
KW  - Air Pollutants, Occupational-analysis
KW  - Environmental Monitoring-methods
KW  - Microscopy, Phase-contrast
UR  - http://apps.who.int/iris/handle/10665/41904
ER  -