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2. Silver Coalition/Association of Metropolitan Sewerage Agencies. Code of Management Practice for Silver Dischargers: Recommendations on Technology, Equipment and Management Practices for Controlling Silver Discharges from Facilities That Process Photographic Materials; National Association of Photographic Manufacturers, Inc.: New York, 1995.
3. Guide for the Recovery of Silver from Used Fixing Solution and Scrap Film; Publication No. FPMR 101–42.3; General Services Administration: Washington, DC, 1976.
4. Technical Report for Information and Image Management—Silver Recovery Techniques; Publication No. AIIM TR4–1989; Association for Information and Image Management: Silver Spring, MD, 1989.
5. Kirk-Othmer Encyclopedia of Chemical Technology, 4th ed.; Howe-Grant, M., Ed.; Wiley: New York, 1991-1998; Vol. 22, p 189.