URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://listings.lib.msu.edu/nwtgt/1989spr.pdf#page=1201/19/2017PDF Reader
http://web.archive.org/web/20080616075504/http://e[...]05/18/2010May 1998 Reprint
http://web.archive.org/web/20060904172924/http://e[...]05/18/2010PDF ReaderMay 1998 Reprint