📁 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).
子分类
条目 (12+)
International Journal for Numerical and Analytical Methods in Geomechanics
https://onlinelibrary.wiley.com/journal/10969853
Institute for Gravitational Research, University of Glasgow
http://www.physics.gla.ac.uk/igr/index.php
Institute of Cosmology and Gravitation, University of Portsmouth
http://www.icg.port.ac.uk/