1. Process simulation and cost estimation of treatment of chromium-containing leather waste;Cabeza;J. Am. Leath. Chem. Assoc.,1998
2. Tannery and Environment, Technical Center of Leather;Vulliermet,1983
3. Chromium Tanned Leather and its Environmental Impact;Van der Bossche,1997
4. Mortality of chrome leather tannery workers and chemical exposures in tannery;Stern;Scand. J. Work. Environ. Health,1987
5. Disposal land recycling of chrome-tanned materials;Heidemann;J. Am. Leather. Chem. Assoc.,1991