共 42 条
[1]
2 NEW SIMPLIFIED SYSTEMS FOR THE CORRECTION OF SPHERICAL ABERRATION IN ELECTRON LENSES
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B,
1955, 68 (03)
:156-164
[2]
ARDENNE MV, 1938, Z PHYS, V109, P553, DOI DOI 10.1007/BF01341584
[6]
CORRECTION OF ELECTROSTATIC LENSES BY DEPARTURE FROM ROTATIONAL SYMMETRY
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B,
1953, 66 (405)
:775-792
[7]
CASPERSSON T, 1940, CHROMOSOMA, V1, P605
[8]
THE OPTICAL DENSITY AND THICKNESS OF EVAPORATED CARBON FILMS
[J].
BRITISH JOURNAL OF APPLIED PHYSICS,
1957, 8 (09)
:374-376
[9]
COSSLETT VE, 1956, P C ELECTRON MICROSC, P12
[10]
COSSLETT VE, 1956, NATURE, V117, P1172