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Filters: Keyword is dynamic roughing filtration and Author is Wegelin, M.  [Clear All Filters]
Wegelin, M., Zimmerman, T., and Burgthaler, B., Rehabilitation of slow sand filters and new treatment plant designs in rural Cameroon, in Advances in slow sand and alternative biological filtration, 1996, pp. P. 359-369 : 7 fig., 5 tab.