Arridge, Simon R. Schweiger, Martin Media 7: A gradient-based optimisation scheme for optical tomography Originally published in Optics Express on 16 March 1998 (oe-2-6-213) gradient-based optimisation scheme;16 March 1998;media;oe;Optics Express;tomography 1998-03-16
    https://opticapublishing.figshare.com/articles/media/Media_7_A_gradient-based_optimisation_scheme_for_optical_tomography/4943876
10.1364/OE.2.000213.m007