1. FEFCO. Accessed October 30 2021.https://www.fefco.org/technical-information/fefco-code.
2. JordanC A.Cushioning properties of five‐layer corrugated fiberboard pads: Load applied to central area only. USDA Forest Serv. Res. Pap. 1969; FPL 116. Forest Prod. Lab. Madison Wis.
3. JordanCA.Cushioning performance of multilayer corrugated fiberboard pads loaded at central area only. USDA Forest Serv. Res. Pap.1970; FPL 136. Forest Prod. Lab. Madison Wis.
4. SternRK JordanCA.Shock cushioning by corrugated fiberboard pads to centrally applied loading. USDA Forest Serv. Res. Pap.1973; FPL 184. Forest Prod. Lab. Madison Wis.
5. SternRK.Effect of atmospheric moisture content upon shock cushioning properties of corrugated fiberboard pads. USDA Forest Serv. Res. Pap. FPL 129. Forest Prod. Lab. Madison Wis.;1973.