共 11 条
[1]
BROWN KL, 1967, SLAC75 REP
[2]
COLLIEX C, 1978, ELECTRON MICROS, V3, P268
[5]
ENGE HA, 1967, FOCUSING CHARGED PAR, V2, pCH4
[6]
ENGEL W, 1978, 9TH P INT C EL MICR, V1, P48
[7]
FIELDS JR, 1977, ULTRAMICROSCOPY, V2, P311
[8]
FOCUSING FOR DIPOLE MAGNETS WITH LARGE POLE GAP TO BENDING RADIUS RATIOS
[J].
NUCLEAR INSTRUMENTS & METHODS,
1975, 123 (03)
:413-419
[9]
JOHNSON DE, 1979, ULTRAMICROSCOPY, V3, P361
[10]
PRACTICAL ELECTRON SPECTROMETER FOR CHEMICAL-ANALYSIS
[J].
JOURNAL OF MICROSCOPY-OXFORD,
1978, 114 (NOV)
:117-129