Lovett, M. (1954). Some digressions on the implementation of the Rivers Pollution Prevention Act of 1951. J. Inst. Sew. Purif. , 4, 338.
2.
Lockett, W.T. (1952). The discharge of trade effluents into sewers. J. R. Sant. Inst., 72, 584.
3.
Jenkins, S.H. (1955). The discharge of trade effluents to sewage purification works. Chem. and Ind., 1204.
4.
Evans, S.G. and Roberts, F.W. (1955). Recent developments in sewage treatment at Luton . J. Inst. Sew. Purif., (in the press).
5.
Wilson, I.S. (1954). The Monsanto plant for the treatment of chemical wastes. J. Inst. Sew. Purif., 2, 86.
6.
Sharp, D.H. and Lambden, A.E. (1955). Treatment of strongly bactericidal trade effluent by activated charcoal and biological means. Chem. and Ind. , 1207.
7.
Porthouse, W. (1939). A general commentary on the practical inauguration of the Public Health (Drainage of Trade Premises) Act, 1937. J. Inst. Sew. Purif., I, 63.
8.
Garner, J.H. (1949). Disposal of sewage and industrial effluents. J. Inst. Mun. Engs., 75, 784.
9.
Roberts, A.L., and Blackburn, W.H. (1954). A review of current research work on the treatment and disposal of liquor effluents from gas works. Gas Council Research Communication, G.C.18.
10.
Nicklin, T. (1947). Paper on Effluent treatment at Tingley. See also EGAN, P. C. (1954). Tingley liquor effluent treatment plant. Gas J., 280, 469 and 541.
11.
Wilson, H. (1954). Final treatment of sewage effluents. The River Boards' Association Year Book for 1954, 85.
12.
Imhoff, K. (1931). Impounding reservoirs as a substitute for biological sewage treatment works in the Ruhr District. Sew. Works J. , 3, 120.
13.
Shaw, R.C. (1932). The Ruhrverband. Proc. Inst. Sew. Purif., 41.
14.
Tylor, R.G. (1946). Polluted streams cleared up by aeration. Civil Engineering (Easton, Pa.), 16, 348. See also Wat. Pollut. Research, Summary of current lit., 1946, XIX, 384.
15.
Klein, L. (1956). Aspects of River PollutionButterworths, London.