By Tong Z.   Hongjun J.   in Environmental Pollution

ISSN:0269-7491|98|2|143-147

Elsevier‎(1997)‎

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By Hongjun J.   Yonggang M.   Shizhu W.   Hong J.   in Tribology International

ISSN:0301-679X|32|3|161-166

Elsevier‎(1999)‎

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