@article{SatoHideaki:1979-07-25,
author="Sato,  Hideaki and Kikuchi,  Tsuneo and Tsuchiya,  Yoshihiro",
title="On the effects of the unnecessary external light on the screen for OHP which has influence on the eyesight",
journal="Research reports of the Tsuruoka Technical College",
ISSN="02861232",
publisher="Tsuruoka National College of Technology",
year="1979",
month="jul",
volume="13",
number="",
pages="137-148",
URL="http://ci.nii.ac.jp/naid/110000260266/en/",
DOI="",
}