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World Health Organization. Prevention of Environmental Pollution Unit ,  [Training course manual for water and wastewater laboratory technicians]

World Health Organization. Prevention of Environmental Pollution Unit ,  [Revision of the WHO guidelines for drinking-water quality : report of the first review group meeting on inorganics, Bilthoven, Netherlands, 18-22 March 1991]

Guha Mazumder, D. N ,  Das Gupta, J ,  Chakraborty, A. K ,  Chatterjee, A ,  Das, D ,  Chakraborti, D ,  [Environmental pollution and chronic arsenicosis in South Calcutta / D. N. Guha Mazumder ... [et al.]]

Howe, Paul D ,  Dobson, Stuart ,  World Health Organization ,  International Programme on Chemical Safety ,  [Silver and silver compounds : environmental aspects]

World Health Organization. Prevention of Environmental Pollution Unit ,  [Training course manual for water and wastewater laboratory technicians]

World Health Organization. Prevention of Environmental Pollution Unit ,  [Revision of the WHO guidelines for drinking-water quality : report of the first review group meeting on inorganics, Bilthoven, Netherlands, 18-22 March 1991]

Guha Mazumder, D. N ,  Das Gupta, J ,  Chakraborty, A. K ,  Chatterjee, A ,  Das, D ,  Chakraborti, D ,  [Environmental pollution and chronic arsenicosis in South Calcutta / D. N. Guha Mazumder ... [et al.]]

Howe, Paul D ,  Dobson, Stuart ,  World Health Organization ,  International Programme on Chemical Safety ,  [Silver and silver compounds : environmental aspects]