1. Nohtomi A et al (2001) Dosimetry of pulsed clinical proton beams by a small ionization chamber. Med Phys 28(7):1431–1435
2. Andreo P et al (2000) Absorbed dose determination in external beam radiotherapy: An international code of practice for dosimetry based on standards of absorbed dose to water, TRS-398, IAEA
3. (2002) Standard dosimetry of absorbed dose in external beam radiotherapy (Standard Dosimetry 01), JSMP
4. (2012) Standard dosimetry of absorbed dose to water in external beam radiotherapy (Standard Dosimetry 12), JSMP
5. Applied Engineering Inc., Tokyo, Japan