- Optics Letters, Vol. 36, Issue 23, pp. 4707-4709 (December 2011)
- Eric R. Tkaczyk, Tiina Mauring, Mihkel Pajusalu, Agu Anijalg, Alan H. Tkaczyk, Pait Teesalu, Jaak Kikas, Koit Mauring
- Biomedical Optics Express, Vol. 3, Issue 1, pp. 178-191 (January 2012)
- Nicusor Iftimia, Arun K. Iyer, Daniel X. Hammer, Niyom Lue, Mircea Mujat, Martha Pitman, R. Daniel Ferguson, Mansoor Amiji