1. BrownA LinBH AllshouseJ.Demographic profile of apple consumption in the United States. Economic Research Service. USDA;2001.
2. USDA.Noncitrus fruits and nuts 2016 summary (june 2017) Washington DC;2017.
3. WeverR TwedeD.The History of Molded Fiber Packaging: A 20th Century Pulp Story. In: 23rd IAPRI Symposium on Packaging.International Association of Packaging Research Institutes;2007;Windsor UK.
4. KeyesML.Apparatus for making pulp ariticles;1903.
5. Compression and cushioning characteristics of moulded pulp packaging