SourceUrl == /uploads/pdf/20150103055748ruminations_on_the_o_csp_proof_01_02_15.pdf finalPath == D:\wwwroot\Uploads.Worldlibrary.Net\uploads\pdf\20150103055748ruminations_on_the_o_csp_proof_01_02_15.pdf Object reference not set to an instance of an object. at GetPdfFile.LogBookDownload() in d:\wwwroot\Out_Wpl\GetPdfFile.aspx.cs:line 361
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