M. Filiaci, V. Toronov, S. Fantini, and E. Gratton, "Optical probe and frequency-domain instrumentation to study spatial and temporal correlations of fluctuations in tissues,"
in Biomedical Optical Spectroscopy and Diagnostics / Therapeutic Laser Applications, E. Sevick-Muraca and J. Izatt, eds.,
Vol. 22 of OSA Trends in Optics and Photonics
(Optical Society of America, 1998), paper BTuD5.