URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://gsrpdf.lib.msu.edu/?file=/2000s/2005/050901.pdf01/25/2017PDF Reader
https://gsr.lib.msu.edu/article/106021-SP.pdf07/11/2018PDF ReaderSpanish version
https://gsrpdf.lib.msu.edu/?file=/article/106021-Z[...]07/11/2018PDF ReaderMandarin version