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1、Search Results0 records found in Compendex for: ((Research on the Fast Algorithm for Hierarchic Least Squares of Non-Negative Matrix Factorization) WN All fields), 1969-2012Your search retrieved 0 records. Check to make sure that you have entered valid search terms, or try broadening your search.以后自己查吧。

2、点我的名字，我空间文章里每天会更新一些国外大学图书馆的帐号，他们都会收录EI数据库的，可以免费查。

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