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Filters: Keyword is water quality standards and Author is Mara, D.D.  [Clear All Filters]
1996
Mara, D.D. and Ayres, R.M., Analysis of wastewater for use in agriculture : a laboratory manual of parasitological and bacteriological techniques. Geneva, Switzerland: World Health Organization (WHO), 1996, p. iv, 31 p. : 1 fig., 40 photogr., 3 tab.