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[1]��І��齨��.��ʽ��ല̎��켈��I(y��)�Uˮ��о�[J]. �Ї�ˮ�W(w��ng)2006,(5).

[2]��巼,��f��Ȫ,��ϼ��.�U��?ji��n)켈�Uˮ��̎��о�[J].��A��I(y��).2007,(2).

[3]�ט��ɵ�.ˮ̎��¼��g(sh��)��O(sh��)Ӌ(j��)[M].��W(xu��)��I(y��)��.2001.