TY  - BOOK
ED  - World Health Organization.
TI  - Air quality guidelines: global update 2005 : particulate matter, ozone, nitrogen dioxide, and sulfur dioxide
SN  - 9789289021920 (pbk.);9289021926 (pbk.)
PY  - 2006///
CY  - Copenhagen, Denmark
PB  - World Health Organization Europe
KW  - Air Pollutants
KW  - Nitrogen Dioxide
KW  - Ozone
KW  - Particulate Matter
N1  - Includes bibliographical references
ER  -