I can download this by hand in IE.
http://scholar.google.com/scholar.ris?q=info:j8ymU9rzMsEJ:scholar.google.com/&output=citation&hl=zh-CN&as_sdt=2000&
Just add a simple line before you make your download:
string url = ... string fileName = ... WebClient wb = new WebClient(); wb.Headers.Add("User-Agent: Other"); //that is the simple line! wb.DownloadFile(url, fileName);
That's it.