1. Meier, G.E.A.: Computerized background-oriented schlieren. Exp. Fluids 33, 181–187 (2002)
2. Leopold, F., Simon, J., Gruppi, D., Schöfer, H.J.: Recent improvements of the background oriented schlieren technique (BOS) by using a colored background. In: Proc. 12th ISFV @ Göttingen, Germany, ISFV12-3.4 (2006)
3. Venkatakrishnan, L., Meier, G.E.A.: Density measurements using the Background Oriented Schlieren technique. Exp. Fluids 37, 237–247 (2004)
4. Ota, M., Kato, H., Maeno, K.: Improvements of spatial resolution of colored-grid background oriented schlieren (CGBOS) technique by introducing tele centric optical system and reconstruction of density field. In: Proc. 15th ISFV @ Minsk, Belarus, ISFV15-077 (2012)
5. Ota, M., Koga, T., Maeno, K.: Laser interferometric CT measurement of the unsteady supersonic shock-vortex flow field discharging from two parallel and cylindrical nozzles. Meas. Sci. Tech. 17(8), 2066–2071 (2006)