1. Allen R, Baldini N, Donodrio P et al. (Editors) (1999).1999 Annual Book of ASTM Standards: Section 15—General Products, Chemical Specialties, and End Use Products. American Society for Testing and Materials, pp. 347–360.
2. Kim J, Kwac L, An J (2004). 3-D laser vibration measurement and an analysis of the unsteady flow-field and aerodynamic sound of turbo fan motor in a vacuum cleaner.Explosion, Shock Wave and Hypervelocity Phenomena in Materials465/466:259–264.