@article{ref1,
title="Lighting and visual hygiene",
journal="Archives Belges de Medecine Sociale, Hygiene, Medecine du Travail et Medecine Legale",
year="1961",
author="Hermans, Roel",
volume="19",
number="",
pages="598-603",
abstract="Abstract unavailable.",
language="",
issn="0003-9578",
doi="",
url="http://dx.doi.org/"
}