Thomenius K.: Evolution of ultrasound beamformers. Ultrasonics Symp1996;2:1615-1622. Available at: www.ieee-uffc.org/ultrasonics/teaching/u9621615.pdf .
2.
Hagen-Ansert S.: A timeline of historical events in sonography and the development of the SDMS: in the beginning . . . J Diagn Med Sonography2006;22:272-278.
3.
Merton D.: Diagnostic medical ultrasound technology: a brief historical review. J Diagn Med Sonography1997;13: 10S-23S.
4.
Woo J.: A short history of the development of 3-D ultrasound in obstetrics and gynecology . Available at: www.obultrasound.net/history-3D.html . Accessed August 6, 2004.
5.
Wilson M., Cooley B.: The implementation of a sonographers career ladder. J Diagn Med Sonography2006;22:191-199.
6.
Baker J.: The history of the society of diagnostic medical sonographers. J Diagn Med Sonography1986;6:310-314.
7.
Rudacille D. : In radiology, film clerks go digital. Dome2006;57. Available at: http://www.hopkinsmedicine.org/dome/0607/newsreport2.cfm.
8.
Orenstein B. : Different than boomers: understanding how to manage Generations X and Y. Radiol Today2007 ;8:12.