1. Christophers, S. R. (1939) Malaria in war. Trans. R. Soc. Trop. Med. Hyg., 33, 277–292.
2. Hacker, H. P. (1925) How oil kills Anopheline larvae. F.M.S. Malaria Bureau Reports, 3, 1–62.
3. Hackett, L. W. (1937) Malaria in Europe. An ecological study. London: Oxford University Press, 336 pp.
4. Macdonald, G. (1939) A design of flushing siphon for control of Anopheline breeding. J. Malar. Inst. India, 2, 63–69.
5. Murray, D. R. P. (1936, 1939) Mineral oils as mosquito larvicides. Bull. Ent. Res., 27, 287; 29, 11; 30, 211.