Procedures in dosimetry; principles of photon and electron dosimetry with probe-type detectors
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1980

Procedures of dosimetry with probe-type detectors for photon and electron radiation – Part 1: General
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2016