共 44 条
[41]
VAN HOVEN R C, 1959, Am J Optom Arch Am Acad Optom, V36, P22
[42]
von Helmholtz H, 1962, PHYSL OPTICS, VIII
[43]
WESTHEIMER G, 1955, Am J Optom Arch Am Acad Optom, V32, P206
[44]
WESTHEIMER G, 1955, AM J OPTOMETRY ARCH, V32, P435