共 19 条
[3]
BIRCH R, 1979, HOSPITAL PHYSICISTS, V30
[6]
COSSLETT VE, 1966, MODERN MICROSCOPY
[7]
PHOTON MASS ATTENUATION AND ENERGY-ABSORPTION COEFFICIENTS FROM 1 KEV TO 20 MEV
[J].
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES,
1982, 33 (11)
:1269-1290
[9]
HUBBELL JH, 1969, NBS NSRDSSBS29 REP