共 34 条
[3]
CHANG M, 1988, I PHYS C SER, V93, P59
[5]
DERUIJTER WJ, 1991, 10TH P PFEFF C IM SI
[7]
DOWNING K, UNPUB ULTRAMICROSCOP
[8]
AN AUTOMATIC FOCUSING AND ASTIGMATISM CORRECTION SYSTEM FOR THE SEM AND CTEM
[J].
JOURNAL OF MICROSCOPY-OXFORD,
1982, 127 (AUG)
:185-199
[9]
HOPPE W, 1980, TOPICS CURRENT PHYSI, V13
[10]
JHERRMANN KH, 1982, J MICROSCOPY, V127, P17