URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://gsr.lib.msu.edu/article/skorulski-beyond-9[...]09/04/2015PDF Reader
https://gsr.lib.msu.edu/article/264846-ZH-CN.pdf07/16/2018PDF ReaderMandarin version
https://archive.lib.msu.edu/tic/cespe/article/2016[...]10/13/2016PDF ReaderGreenkeepers Spanish reprint