1. Abbruzzese C, Fomari P, Massidda R, Veglio F, Ubaldini S (1995) Thiosulphate leaching for gold hydrometallurgy. Hydrometallurgy 39:265–276
2. Baren MR (1992) Silver mercury amalgam phase diagram. In: Baker H (ed) Alloy phase diagrams, vol 3, ASM handbook, 10th edn. ASM International, Materials Park, Ohio
3. Baren MR (1996) The Ag-Hg (Silver-Mercury) system. J Phase Equilib 17(2):122–128
4. Barger S, White W (1991) The daguerreotype: 19th century and modern science. Smithsonian Institution Press, John Hopkins University Press, Washington, D.C., pp 117–134
5. Barger S, Messier R, White W (1984) Nondestructive assessment of daguerreotype image quality by diffuse reflectance spectroscopy. Stud Conserv 29(2):84–86