Bowditch, M. , et al. (1940). Code for safe concentrations of certain common toxic substances used in industry. J. Ind. Hyg. & Tox.22, 251
2.
Drinker, P., et al. (1927). Metal fume fever. IV, Threshold doses of zinc oxide, preventive measures, and the chronic effects of repeated exposures . J. Ind. Hyg.9, 331.
3.
Silverman, L. (1959). Control of neighbourhood contamination near Beryllium-using plants. AMA Arch. of Ind. Health, 19, 254.
4.
Wilkins, E.T. (1954). Air pollution and the London Fog of December 1952. J. Roy. San. Inst. 74, 7.
5.
Rogers, L.R. (1958). Report on photochemical smog. J. Chem. Education, 35, 310.
6.
Drinker, P. (1957). Air pollution and the public health. J. Roy. Inst. Pub. Health & Hyg. July, August, Sept.
7.
Haagen-Smit, A.J. (1958). Air conservation. Science, 128, 869.
8.
ANNUAL MEETING, SOCIETY OF AUTOMOTIVE ENGINEERS, DETROIT (1959). (Copies of papers available from the Society, 485 Lexington Ave., New York 17, N.Y.)
9.
IRON AND STEEL INSTITUTE, SPECIAL REPORT 61, 1958.
10.
Kennaway, T. (1958). The Fulham-Simon-Carves process for the recovery of sulphur from flue gases. Iron and Steel Institute, Special Report 61, 132.