エンジニアのための放射線検出に関する研究をまとめた資料。10年振りの改訂版。電離放射線の検出および分光法のための機器・技術に関する項目を更に充実させ、多数の新項目を追加。The fourth edition takes into account the technical developments that continue to enhance the instruments and techniques available for the detection and spectroscopy of ionizing radiation. New coverage is presented on ROC curves, micropattern gas detectors, new sensors for scintillation light, and the excess noise factor. Revised discussions are also included on TLDs and cryogenic spectrometers, radiation backgrounds, and the VME standard.