1. Freedonia Group, www.freedoniagroup.com/World-Filters.html, January 2016.
2. Filtration, 1. Fundamentals;Ripperger,2013
3. Membrane Processing: Dairy and Beverage Applications;Tamime,2013
4. Principles of Filtration;Tien,2012
5. Solid/Liquid Separation: Principles of Industrial Filtration;Tarleton,2005