000 00891nam a2200265 4500
041 0 0 _aeng
050 0 0 _aQC100
_b.U565 no. 42
051 0 0 _aQC795
_b.U5 1949
060 0 0 _aWN 650
_bN277s 1949
082 0 0 _a621.4837 UNI 1949
090 0 0 _a621.4837 UNI 1949
110 2 0 _aNational Committee on Radiation Protection (U.S.)
245 1 0 _aSafe handling of radioactive isotopes.
260 0 0 _aWashington
_c1949
300 0 0 _avi, 30 p.
_bill.
_c28 cm.
440 0 0 _aNational Committee on Radiation Protection
_pNational Bureau of Standards Handbook
_v42
440 0 0 _aNCRP
_pNational Bureau of Standards Handbook
_v42
500 0 0 _aSuperseded by Handbook no. 92 with title: Safe handling of radioactive materials.
650 0 0 _aIsotopes.
650 0 0 _aRadiation
_xSafety measures.
942 _2ddc
_cRPR
999 _c21591
_d21591