Simultaneous usage of homologous points, lines, and planes for optimal, 3-D, linear registration of multimodality imaging data. - Charles R. Meyer; Gregg S. Leichtman; James A. Brunberg; Richard L. Wahl; Leslie E. Quint (IEEE Trans. Medical Imaging, 1995)

Automated Gamma Knife dose planning. - Gregg S. Leichtman; Anthony L. Aita; H. Warren Goldman (Image Processing, 1998)