@article{ref1,
title="A study of agricultural production, 1927-37",
journal="Jin dai shi yan jiu",
year="2001",
author="Liu, K.",
volume="",
number="5",
pages="59-112",
abstract="<p>[Abstract unavailable]</p><p>Language: zh</p>",
language="zh",
issn="1001-6708",
doi="",
url="http://dx.doi.org/"
}