📁 参考
Reference is a category for sites devoted to the study of and access to information itself - teaching it (Education), using it (Knowledge Management), storing it (Libraries, Museums) - or sites containing information on topics varied and comprehensive enough that they could not be classified under the other top level Open Directory categories (Dictionaries, Directories, Encyclopedias).
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条目 (17+)
History of the Inductive Sciences from the Earliest to the Present Time (1858), Vol. 2
http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa&idno=AGG5854.0002.001&view=toc
How the Swiss Built the Greatest Tunnel in the World
http://www.fordham.edu/halsall/mod/1905simplon.asp
How to Create Channel Definition Format (CDF) Files
http://msdn.microsoft.com/en-us/library/aa768024(VS.85).aspx