1. Neuhauser KS, Kanipe FL, Weiner RF: ‘RADTRAN 5 technical manual’, SAND2000-1256’; 2000, Albuquerque, NM, Sandia National Laboratories.
2. Weiner RF, Dennis ML, Hinojosa D, Heames TJ, Penisten JJ, Marincel MK, Osborn DM: ‘RadCat 3·0 user guide’, SAND2009-5129P; 2009, Albuquerque, NM, Sandia National Laboratories.
3. Code of Federal Regulations (CFR), Volume 10, Part 71, Sections 71·71 and 71·73, 2011.
4. Data base of accident and agricultural statistics for transportation risk assessment
5. International Commission on Radiation Protection (ICRP): ‘Age-dependent doses to the members of the public from intake of radionuclides. Part 5. Compilation of ingestion and inhalation coefficients’, ICRP Publication 72; 1996, Oxford, Elsevier Publishers.