1. Particle imaging techniques for experimental fluid mechanics;Adrian;Annual Review of Fluid Mechanics,1991
2. A new technology for automatic identification and sorting of plastics for recycling;Ahmad;Environmental Technology,2004
3. Bertram, A., Unkelbach, K.-H. 1997. High duty plastics recycling with the aid of sorting centrifuges. Proceedings of the XX International Mineral Processing Congress, Aachen, Germany, Clausthal-Zellerfeld, Germany: GMDB Gesellschaft fur Bergbau, Metallurgie, Rohstoff-und Umwelttechnik. 5, 373–382.
4. Del Fa, C., Ferrara, G. 1965. Trattamento ad umido di minerali pesanti con il separatore Multidune (Wet processing of heavy minerals by Multidune separator). Symposium A.M.S., Cagliari.
5. Automatic sorting for mixed plastics;Dinger;Biocycle,1992