@article{ref1,
title="Approach magnification is safer than bioptic telescopic spectacles for operating a motor vehicle",
journal="Transactions - Pennsylvania Academy of Ophthalmology and Otolaryngology",
year="1982",
author="Fonda, G.",
volume="35",
number="2",
pages="137-140",
abstract="Abstract unavailable.",
language="",
issn="0048-3206",
doi="",
url="http://dx.doi.org/"
}