Commercial portable gauges for radiometric determination of the density and moisture content of building materials : a comparative study /
International Atomic Energy Agency.
Honig, A.
Vienna : International Atomic Energy Agency,
1971.
A report produced under the auspices of Réunion internationale des laboratoires d'essais et de recherches sur les matériaux et les constructions (RILEM), International Atomic Energy Agency, Brno Technical University.
Neutron counters.
Moisture meters.