1. Huettel, S. A., Song, A. W., & McCarthy, G. (2004). Functional magnetic resonance imaging. Sinauer Associates.
2. Calhoun, V. D., Adalı, T., Pearlson, G. D., van Zijl, P. C. M., & Pekar, J. J. (2002). Independent component analysis of fMRI data in the complex domain. Magnetic Resonance in Medicine, 48, 180–192.
3. Feng, Z., Caprihan, A., Blagoev, K. B., & Calhoun, V. D. (2009). Biophysical modeling of phase changes in Bold FMRI. NeuroImage, 47, 540–548. PMC pending #115413.
4. Xiong, W., Li, Y. O., Li, H., & Adalı, T. (2008) On ICA of complex-valued fMRI: Advantages and order selection. In Proc. IEEE int. conf. acoust., speech, signal processing (ICASSP). Las Vegas, Nevada.
5. Adalı, T., Kim, T., & Calhoun, V. D. (2004) Independent component analysis by complex nonlinearities. In Proc. IEEE int. conf. acoust., speech, signal processing (ICASSP) (Vol. 5, pp. 525–528). Montreal, Canada.