@conference{seraku13head,
author = "Seraku, Tohru",
booktitle = "PACLIC",
title = "{H}ead-{I}nternal {R}elatives in {J}apanese as {R}ich {C}ontext-{S}etters.",
url = "http://www.aclweb.org/anthology/Y/Y13/Y13-1003.pdf",
year = "2013",
}