World Health Organization
Determination of airborne fibre number concentrations : a recommended method ,by phase contrast optical microscopy (membrane filter method) - - Geneva W H O 1997 - 53 p. 26 cm. - .
Air Polluants,Occupational, Microscopy, Environmental Monitoring
92 4 154496 1
Environmental Monitoring
Microscopy
Air Polluants,Occupational
WA450 / WHO
Determination of airborne fibre number concentrations : a recommended method ,by phase contrast optical microscopy (membrane filter method) - - Geneva W H O 1997 - 53 p. 26 cm. - .
Air Polluants,Occupational, Microscopy, Environmental Monitoring
92 4 154496 1
Environmental Monitoring
Microscopy
Air Polluants,Occupational
WA450 / WHO