@article{ref1,
title="Assessing basic competencies: visually impaired",
journal="International journal of rehabilitation research",
year="1980",
author="Jones, W. P.",
volume="3",
number="1",
pages="84-87",
abstract="Abstract unavailable.",
language="",
issn="0342-5282",
doi="",
url="http://dx.doi.org/"
}