1. Stopping powers and ranges of electrons and positrons;Berger;National Bureau of Standards, Internal Report 82-2550,1982
2. A code of practice for the detailed statement of accuracy;Campion,1973
3. Immobilization error: Some theoretical considerations;Goitein;Radiol.,1975
4. Statement of uncertainties;Kaarls;BIPM report,1980
5. Uncertainty in delivery of absorbed dose;Loevinger,1974