共 5 条
[1]
BOYDE A, 1968, BEITR ELEKTRONENMIKR, V1, P97
[2]
Boyde A., 1975, PHOTOGRAMM REC, V8, P408
[3]
Howell P. G. T., 1975, Scanning Electron Microscopy 1975, P697
[4]
Howell P.G.T., 1978, SCANNING, V1, P118
[5]
HOWELL PGT, 1972, SCANNING ELECTRON MI, P233