中国科学院数学与系统科学研究院期刊网
The Improvement of DI and Research for Precision-comparison between DI and CI in the Early Warning System of Real Estate
Bin Li;Lie Yun DING;Yan Bing YE
Systems Engineering - Theory & Practice . 2003, (1): 88 -93 .  DOI: 10.12011/1000-6788(2003)1-88