共 14 条
[11]
STEEL WH, 1958, P ROY SOC, VA249, P574
[12]
Phase contrast, a new method for the microsopic observation of transparent objects
[J].
PHYSICA,
1942, 9
:686-698
[13]
Zernike F, 1934, PHYSICA, V1, P689
[14]
Phase contrast, a new method for the microscopic observation of transparent objects Part II
[J].
PHYSICA,
1942, 9
:974-986