Results of the 2012 HPA intercomparison of passive radon detectors /
Daraktchieva, Z.author.
Howarth, C. B.,author.
Algar, R.(Richard),author.
Public Health England.Centre for Radiation, Chemical and Environmental Hazards.
Title from cover.
"August 2013"--Page [i].
"PHE gateway number: 2013-161"--Inside front cover.
"PHE-CRCE-001"--P [i].