@article{AokiRyozo:1999-12-31,
author="Aoki, Ryozo",
title="Exit Options : For ForcusedDiversification Strategies",
journal="Journal of the University of Marketing and Distribution Sciences. Distribution sciences & business administration",
ISSN="09153055",
publisher="University of Marketing and Distribution Sciences",
year="1999",
month="dec",
volume="12",
number="2",
pages="1-19",
URL="http://ci.nii.ac.jp/naid/110000508978/en/",
DOI="",
}