共 7 条
[1]
BASS H, 1949, USAEC AECD2753 REP
[3]
BRAESTRUP CB, 1942, RADIOLOGY, V38, P207
[4]
PARDUE LA, 1944, USAEC MDDC1065 REP
[6]
1949, NBS HDB, V41
[7]
1936, NBS HB20 HDB