1. 2006, ISO 15848-1, Industrial Valves—Measurement, Test and Qualification Procedures for Fugitive Emissions—Part 1: Classification System and Qualification Procedures for Type Testing of Valves.
2. 2003, ISO 15848-2, Industrial Valves—Measurement, Test and Qualification Procedures for Fugitive Emissions—Part 2: Production Acceptance Test of Valves.
3. 2006, API 622, Type Testing of Process Valve Packing for Fugitive Emissions, 1st ed.
4. Radial Stress Distribution and Friction Forces in a Soft-Packed Stuffing-Box Seal;Ochonski;Tribol. Int.
5. Approach to a Correct Function of Stuffing Boxes;Bartonicek