Interpolation over a sphere based upon a minimum norm network. - Gregory M. Nielson; Ramamani Ramaraj (Comput. Aided Geom. Des., 1987)

Visualizing functions over a sphere. - Thomas A. Foley; David A. Lane; Gregory M. Nielson; Ramamani Ramaraj (IEEE Computer Graphics and Applications, 1990)

4D Shape Priors for a Level Set Segmentation of the Left Myocardium in SPECT Sequences. - Timo Kohlberger; Daniel Cremers; Mikaël Rousson; Ramamani Ramaraj; Gareth Funka-Lea (MICCAI (1), 2006)