1. Recomendations of the International Commission on Radiological Protection,1964
2. Erste Strahlenschutzverordnung,1960
3. Neutron Activation Analysis Data. Report TSI-600 der High Voltage Engineering Corporation, Burlington, Mass.
4. Conferences on Shielding of High Energy Accelerators,1957
5. Texas Nuclear Corporation Neutron Generators (Capabilities, Design and Operation, Shielding, Applications;Prud'homme,1962