TY - RPRT TI - Head scatter modelling for irregular field shaping and beam intensity modulation. AU - A R Hounsell AU - J M Wilkinson PY - 1997 DO - 10.1088/0031-9155/42/9/006 UR - https://pubmed.ncbi.nlm.nih.gov/9308080/ ID - 9308080 ER -