RT Journal Article SR Electronic T1 NCRP REPORT NO. 51: RADIATION PROTECTION DESIGN GUIDELINES FOR 0.1-100 MeV PARTICLE ACCELERATOR FACILITIES JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 40 OP 40 VO 6 IS 1 A1 Trevor D. Cradduck YR 1978 UL http://tech.snmjournals.org/content/6/1/40.1.abstract AB