Wavelet Extrema Representation of Electrocardiogram Signals. - Christopher D. Zaffram; John E. Gray; John F. Schmeelk (SIP, 1999)

Throwing Down The Gauntlet: A Discussion Of Techniques For Bounding Advanced Tracking Algorithm Performance. - John E. Gray; Amy S. Smith-Carroll (FUSION, 2006)

Design as a fusion problem. - John E. Gray; Amy S. Smith-Carroll; Rabinder N. Madan (FUSION, 2008)

Characterization of the PDFs of coordinate transformations in tracking. - John E. Gray; Ali T. Alouani (IEEE Trans. Aerosp. Electron. Syst., 2014)