Nonrigid multimodality image registration. - David Mattes; David R. Haynor; Hubert Vesselle; Thomas K. Lewellen; William Eubank (Image Processing, 2001)

PET-CT Image Registration in the Chest Using Free-form Deformations. - David Mattes; David R. Haynor; Hubert Vesselle; Thomas K. Lewellen; William Eubank (IEEE Trans. Medical Imaging, 2003)