W. Cai, S. K. Gayen, M. Xu, M. Lax, and R. R. Alfano, " Inverse reconstruction of three-dimensional tomographic images of objects in turbid media from time-sliced two-dimensional transmission measurements,"
in Advances in Optical Imaging and Photon Migration, J. Fujimoto and M. Patterson, eds.,
Vol. 21 of OSA Trends in Optics and Photonics
(Optical Society of America, 1998), paper PD1.