by C. W. AmmenISBN(s): 0442209347, 0412720604, 0412079011 pages: 441 (approx., varies by edition)“Recovery and Refining Of precious Metals” by C.W. Ammenon AmazonoreBayorAbeBooks (affil link)About/Contact – Privacy Policy – ©1995-2026 finishing.com, Pine Beach, New Jersey, USA