<P>文献名称：Paying Customers to Switch</P>
<P>作者：Yongmin Chen</P>
<P>地址：<A href="http://www.blackwell-synergy.com/doi/abs/10.1111/j.1430-9134.1997.00877.x">http://www.blackwell-synergy.com/doi/abs/10.1111/j.1430-9134.1997.00877.x</A></P>
<P>由于我们学校没买blackwell的库，所以...无奈</P>
<P>谢谢</P>