共 22 条
[1]
GAMMA-RAY ACTIVITY IN BITUMINOUS, SUBBITUMINOUS AND LIGNITE COALS
[J].
HEALTH PHYSICS,
1977, 32 (02)
:83-88
[2]
BARTON TP, 1982, THESIS PURDUE U W LA
[3]
BECK HL, 1978, DOE UT S NATURAL RAD, V3
[4]
BEDROSIAN PH, 1970, EERL713 E ENV RAD LA
[5]
PROCEDURE OPTIMIZATION AND ERROR ANALYSIS FOR SEVERAL LABORATORY ROUTINES IN DETERMINING SPECIFIC ACTIVITY
[J].
HEALTH PHYSICS,
1976, 31 (04)
:355-361
[6]
CASELLA VR, 1982, ATOMIC NUCLEAR METHO
[8]
Colle R., 1980, NBS SPECIAL PUBLICAT, V581