共 5 条
[1]
GRODSTEIN GW, 1957, NBS583 CIRC
[2]
Jones DEA., 1949, BRIT J RADIOL, V22, P549, DOI [10.1259/0007-1285-22-261-549-b, DOI 10.1259/0007-1285-22-261-549-B]
[4]
WALTER B, 1926, ROFO FORTSCHR RONTG, V35, P929
[5]
WEBER J, 1964, THESIS LEIDEN