1. M. Lackner, Rev. Chem. Eng. 23, 65 (2007)
2. P. Werle, F. D’Amato, S. Viciani, in Lasers in Chemistry: Probing and Influencing Matter, vol 1, chapter 9, (Wiley-VCH, Weinheim, 2008), p. 255. ISBN 978-3-527-31997-8
3. V. Spagnolo, R. Lewicki, L. Dong, F. K. Tittel, in Proceeding of the IEEE International Symposium on Medical Measurements and Applications MeMeA2011, p. 332 (2011). doi: 10.1109/MeMeA.2011.5966773
4. F.K. Tittel, R. Lewicki, L. Dong, K. Liu, T.H. Risby, S. Solga, T. Schwartz, in Proc. SPIE 8223, Photons Plus Ultrasound: Imaging and Sensing 2012, 82230E (23 February 2012). doi: 10.1117/12.912273
5. D. Smith, P. Španěl, Analyst 132, 390 (2007)