@inproceedings{oai:repo.qst.go.jp:00053731,
 author = {Shirakawa, Yoshiyuki and 白川 芳幸},
 book = {Radiation Detectors and Their Uses : Proceedings of the Workshop on Radiation Detectors and Their Uses(KEK Proceedings)},
 month = {Aug},
 note = {There is a considerable interest in searching radioactive materials such as orphan radioisotopes and radioactive contaminations from the viewpoint of radiation protection and safety. In order to meet the requirement, the idea of a directional measurement technique has been proposed. Prototypes based on the idea have been made and evaluated by laboratory tests.},
 pages = {160--165},
 publisher = {KEK},
 title = {EVALUATION OF RESPONSES OF GAMMA RAY DIRECTIONAL DETECTORS},
 year = {2003}
}