@article{ref1,
title="How safe is pupil transportation? Study of laws, regulations, and practices in school bussing in the United States carried out by physicians for automotive safety",
journal="Pediatrics",
year="1970",
author="Charles, S. and Shelness, Anne Marie",
volume="45",
number="1",
pages="Suppl:165-87",
abstract="Abstract unavailable.",
language="",
issn="0031-4005",
doi="",
url="http://dx.doi.org/"
}