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1. Air quality guidlines for Europe

by WORLD Health Organization.

Publisher: Geneva WHO 1987Availability: Items available for reference: Medical Library [Call number: 363.7392 WOR] (1).

2. Air quality in selected urban areas 1973-1974

by World Health Organization.

Publisher: Geneva: World Health Organization; 1982Availability: Items available for reference: Medical Library [Call number: 362.1 WOR] (1).

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