This site provides links to pdf versions of the powerpoint slides from four lectures at a course run by the AIFM (Associazione Italiana Fisica Medica) in Rome.
Review of AAPM's TG105 (with Indrin Chetty)
(pdf)
Accelerator modelling with BEAMnrc
(pdf)
Limitations and benchmarks of EGSnrc (pdf)
Some recent dosimetry studies with EGSnrc
(pdf)