1. Proposed new facilities for proton and ion beam therapy;Sisterson;Part. Newslett.,1999
2. Range modulators for protons and heavy ions;Koehler;Nucl. Instrum. Methods,1975
3. Intensity modulation methods for proton radiotherapy;Lomax;Phys. Med. Biol.,1999
4. Solution of an integral equation in rotation therapy;Brahme;Phys. Med. Biol.,1982