@article{ref1,
title="The concept of exposure",
journal="Accident analysis and prevention",
year="1973",
author="Chapman, Robert",
volume="5",
number="2",
pages="95-110",
abstract="In this paper the concept of exposure to road accidents is developed, from its general to its particular use, with references to the work of many road safety investigators; the paper can be regarded as a fairly complete review of exposure literature. The subject is presented in the following order: Concept of Exposure; Exposure for Large Areas, Groups, or Times; Induced Exposure Measures; Exposure as Opportunities; Specific Exposure at Locations, to Persons, or in Time.<p />",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}