1. Report of the First International Conference on the Use of Computers in Radiotherapy,1967
2. Role of Computers in Radiotherapy,1968
3. Report of the Second International Conference on the Use of Computers in Radiotherapy,1968
4. The method of linear programming applied to radiation treatment planning;Bahr;Radiology,1968
5. Information Retrieval: Tools, Elements and Themes;Becker,1962