000			01456nam a2200253 4500
041	0	0	_aeng
082	0	0	_a539.77 NAT 1989
090	0	0	_a539.77 NAT 1989
110	2	0	_aNational Council on Radiation Protection and Measurements
245	1	0	_aExposure of the U.S. population from occupational radiation _brecommendations of the National Council on Radiation Protection and Measurements.
260	0	0	_aBethesda MD _bNational Council on Radiation Protection and Measurements _c1989
300	0	0	_a1 v. (various pagings) _c23 cm.
440	0	0	_aNational Council on Radiation Protection and Measurements report _vno. 101-104
440	0	0	_aNCRP _vno. 101-104
500	0	0	_aThis book includes four series in a one. It is binded.
504	0	0	_aIncludes bibliographical references and index.
505	0	0	_aNCRP report no. 102 : Medical X-Ray electron beam and gamma-ray protection for energies up to 50 meV (equipment design, performance and use) -- NCRP report no. 103 : Control of radon in houses. -- NCRP report no. 104 : The relative biological effectiveness. of radiations of differnt quality
650	0	0	_aNuclear medicine _xSafety measures
650	0	0	_aRadiation
650	0	0	_aRadon _xDosage
740	0	0	_a Medical X-Ray electron beam and gamma-ray protection for energies up to 50 meV (equipment design, performance and use
740	0	0	_aControl of radon in houses.
740	0	0	_aThe relative biological effectiveness. of radiations of differnt quality
999			_c19681 _d19681