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http://chinawaterrisk.org/resources/analysis-reviews/leather-time-for-business-unusual/
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A study by TFL on the need to reduce salt in the leather transport
http://www.tfl.com/web/
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An Indian document published in 2002 relating to the search for a salt-free hide preservation technique
http://nopr.niscair.res.in/bitstream/123456789/17705/1/JSIR%2061(5)%20339-348.pdf
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An article from Leather International highlighting the pollution issue in Dhaka
http://www.leathermag.com/features/featurewhen-will-it-end-reviewing-the-dhakar-tannery-impasse/
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