M. Edwards,
“Chemistry of arsenic removal during coagulation and Fe-Mn oxidation”,
Journal American Water Works Association, pp. p. 64-78: 13 fig., 3 tab., 1994.
L. J. M.,
“Performance evaluation of dynamic roughing filtration”, vol. no. 137. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. vi, 83 p.: 30 fig., 11 tab., 1994.