共 4 条
[1]
BOELLAARD J W, 1959, Mikroskopie, V13, P386
[2]
HIRSCH TV, 1958, Z WISS MIKROSK, V64, P24
[3]
ROMEIS B, 1948, MIKROSKOPISCHE TECHN, P546
[4]
WILLER W, 1961, MIKROTOMNACHRICHTEN, V5, P88