Biblio

M. J. D. Graham and Luxton, P. J., “Preliminary evaluation of natural fabrics in slow sand filtration”, Aqua : journal of water supply research and technology, 1998.

C. M. J. Yeh, “A quantitative investigation into the effectiveness of jute fiber as a medium for the pre-treatment of raw water supplies”, vol. no. EV-88-30. Asian Institute of Technology, Bangkok, Thailand, p. 2 microfiche (iv, 88 p.): fig., tab., 1988.

L. Wan-Li, “Slow sand filtration with an additional top layer of jute fiber material”, vol. No. EV 87-19. Asian Institute of Technology, Bangkok, Thailand, p. 2 microf. (v, 64 p.): fig., tab., 1987.