@article{33942eb87d804250961cc9752267ebdb,
title = "N{\"a}k{\"o}kentt{\"a} h{\"a}m{\"a}r{\"a}ss{\"a} - valaistustutkimuksen musta aukko",
keywords = "Gold-man perimeter, mesopic light levels, mesopic vision, perimetry, visual field, Gold-man perimeter, mesopic light levels, mesopic vision, perimetry, visual field, Gold-man perimeter, mesopic light levels, mesopic vision, perimetry, visual field",
author = "J. Ketom{\"a}ki",
year = "1999",
language = "Suomi",
volume = "72",
pages = "6--9",
journal = "S{\"a}hk{\"o} & Tele -lehti",
issn = "0789-676X",
number = "8",
}