1.  Shannon Radii: http://abulafia.mt.ic.ac.uk/shannon/ptable.php

2.  Table of Space Group Symbols: http://www.cryst.ehu.es/cgi-bin/cryst/programs/nph-getgen

3.  Journal Title Abbreviations: http://images.webofknowledge.com/WOK46/help/WOS/0-9_abrvjt.html

4.  ISI Journal Title Abbreviations: http://www.efm.leeds.ac.uk/~mark/ISIabbr/A_abrvjt.html

5.  Journal Title Abbreviations: http://library.caltech.edu/reference/abbreviations/

6.  Crystal Forms: http://webmineral.com/

7.  如何查詢某期刊為SCI或SSCI

8.  Crystallography Open Database 

9.  X-ray absorption edges, characteristic X-ray lines and fluorescence yields

10. XPS: https://www.thermofisher.com/tw/zt/home/materials-science/learning-center/periodic-table/other-metal/tin.html

11. XPS: https://xpslibrary.com/periodic-tables/

12. XPS: https://xpsdatabase.net/