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1. Oxides of nitrogen / published under the joint sponsorship of the United Nations Environmental Programme and the World Health Organization

by World Health Organization | WHO Task Group on Environmental Health Criteria for Oxides of Nitrogen | United Nations Environment Programme.

Material type: book Book; Format: print Publisher: Geneva : World Health Organization ; [Albany, N.Y.; WHO Publication centre, distributor], 1977Availability: No items available

2. Photochemical oxidants / published under the joint sponsorship of the United Nations Environment Programme and the World Health Organization

by United Nations Environment Programme | World Health Organization.

Material type: book Book; Format: print Publisher: Geneva : World Health Organization ; [Albany, N.Y. : obtainable from WHO Publications Centre USA], 1978Availability: No items available