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62h0068361 20150204145051.0 cr an |||||||| 150204s2010 a fsm |000|0 eng | 9780494621202(e-book) : CNY437.00 NGL eng NGL a274 ; a875.4 Xie, John Guanhua. Sulfur and boron isotope variations to track air pollutant deposition in the Castle River of southern Alberta, Canada [electronic resource] / John Guanhua Xie. 2010. 1 online resource : ill. Thesis (M.Sc.)--University of Calgary (Canada), 2010. Air ; Atmospheric chemistry. Pollution. Electronic dissertations. aInternet resource. aCN b010001 http://pqdt.bjzhongke.com.cn/Detail.aspx?pid=PvEifZHNdqo%3d 010001 Bs3742 rCNY437.00 ; h1 bs1502