@article{OshiyamaAtsushi:1996-09-13,
author="Oshiyama, Atsushi",
title="Oxygen Vacancy in SiO_2 : A Negative U System",
journal="Abstracts of the meeting of the Physical Society of Japan. Sectional meeting",
ISSN="",
publisher="The Physical Society of Japan (JPS)",
year="1996",
month="sep",
volume="1996",
number="2",
pages="189",
URL="http://ci.nii.ac.jp/naid/110001985081/en/",
DOI="",
}