TY  - GEN
AU  - Borowiak, A.
AU  - Lagler, F.
TI  - EC harmonization programme for air quality measurements. Intercomparison exercises 1999/2000 for SO2,CO,NO2 and O3
PY  - 2000///
CY  - Ispra
PB  - European Commission
KW  - QUALIDADE DO AR
KW  - IM
ER  -