@article{ref1,
title="Efficiency of vision in drivers of mechanical vehicles",
journal="Wiadomosci Lekarskie",
year="1970",
author="Czabanska, E. and Betka, A. and Wachowiak, K.",
volume="23",
number="20",
pages="1785-1790",
abstract="Abstarct unavailable.",
language="",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}