AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon and electron beams Almond, Peter R. ; Biggs, Peter J. ; Coursey, B. M. ; Hanson, W. F. ; Saiful Huq, M. ; Nath, Ravinder ; Rogers, D. W. O. Abstract Publication: Medical Physics Pub Date: September 1999 DOI: 10.1118/1.598691 Bibcode: 1999MedPh..26.1847A