Effect of increased axial field of view on the performance of a volume PET scanner. - Joel S. Karp; Paul E. Kinahan; Gerd Muehllehner; Peter Countryman (IEEE Trans. Medical Imaging, 1993)

The countrate performance of the volume imaging PENN-PET scanner. - Robin J. Smith; Joel S. Karp; Gerd Muehllehner (IEEE Trans. Medical Imaging, 1994)

Imaging performance of a-PET: a small animal PET camera. - Suleman Surti; Joel S. Karp; Amy E. Perkins; Chris A. Cardi; Margaret E. Daube-Witherspoon; Austin Kuhn; Gerd Muehllehner (IEEE Trans. Medical Imaging, 2005)