(a) The Composition of Exhaust Gases From Motor Vehicles

Committee On Air Pollution (1954). Report of Committee on Air Pollution, 20. H.M.S.O.

Ministry Of Fuel And Power (1954). Statistical Digest; 147 and 243. H.M.S.O.

Ministry Of Transport And Civil Aviation ( 1954). Mechanically-Propelled Road Vehicles, 6. H.M.S.O.

Central Statistical Office (1952). Annual Abstract of Statistics, No. 88, 229.

Threshold Limit Values for 1954. Adopted at the Sixteenth Annual Meeting of the American Conference of Governmental Industrial Hygienists. Chicago, April, 1954. A.M.A. Industrial Hygiene and Occupational Medicine, 9, 530.

Elliott, M.A. , Nebel, G.J. , Rounds , F.G. (1955). The Composition of Exhaust Gases from Diesel, Gasoline, and Propane Powered Motor Coaches. Jnl. Air Poll. Control Asso., 5, 103.

Taigel, P.G. (1951-52). Diesel Locomotives in Mines: The Production of Toxic Gases by the Diesel Engine. Trans. Instn. Mining Engrs., 3, 85.

Derry, L.D. , Dodds, E.M. , Evans, E.B. , Royle, D. (1954). The Effect of Auxiliary Fuels on the Smoke-limited Power Output of Diesel Engines. Proc. Inst. Mech. Engrs., 168, No. 9, 280.

Wilford, A.T. (1956). Maintenance of Road Transport Engines with Particular Reference to Smoke Emission. Diesel Engine Users Association (pre-print).

Landen, E.W. (1951). Diesel Engine Exhaust Products. Industr. and Eng. Chem., 43, Part II, 2849.

Kotin, P. , Falk, H.L. , Thomas, M. (1954). Aromatic Hydrocarbons. II. Presence in the Particulate Phase of Gasoline—Engine Exhausts and the Carcinogenicity of Exhaust Extracts. A.M.A. Arch. Industrial Hygiene, 9, 164.

Kotin, P. , Falk, H.L. , Thomas, M. (1955). Aromatic Hydrocarbons. III. Presence in the Particulate Phase of Diesel-engine Exhausts and the Carcinogenicity of Exhaust Extracts . A.M.A. Arch. Industrial Health, 11, 113.

Mills, K.D. , Seipp, G.A. (1955). Field Evaluation of Houdry Catalytic Exhaust Converters . Air Pollution Foundation, Los Angeles, Report No. 8, 1.