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4 Simpson, B. G, "The effect of silicone softeners on resin treated cottons" 28 (28): 170-179, 1958
5 Wilson, P, "The effect of repeated use of fabric softeners on absorbency, whiteness, and hand of terry towels" 291-, 1987
6 Fergusson, S. M, "The effect of laundry detergents and residual alkali on the light fastness of reactive dyes on 100% cotton" RMIT University 2008
7 Hustvedt, G, "The adoption of sustainable laundry technologies by US consumers" 37 (37): 291-298, 2013
8 Merkel, R. S, "Textile product serviceability" Macmillan 1991
9 Statistia, "Sales of the leading liquid laundry detergent brands of the United States in 2016"
10 United States Energy Information Administration, "Residential energy consumption survey [CE3.1 End-use consumption totals and averages, US homes]"
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