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[1] ˮ��Ͼ�ˮ��ˮ�YԴ�о��,��Ї�ˮ��ˮ늿ƌW(xu��)�о�Ժˮ�YԴ�о��. 21��o(j��)�Ї�ˮ��[M]. ��Ї�ˮ��ˮ늳��磬1998.
[2] ܇��,����. ��ˮ��ü��g(sh��)�c��[M]. ��Ї��I(y��)��,��2006.
[3] �T�ƣ��,��. �S��ԭС��ˮ�YԴ��Ӌ��c�u�r��̽[J].��Ȼ�YԴ�W(xu��)��,��2001��16.
[4] �S�@�h,��ۖ|��,��κС�A. ��ˮ��ƽ��ĳ��ˮ��Ý��ģ��. ��h��W(xu��)�W(xu��)�󣨹��W(xu��)�棩��2007,��2.

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