http://www.roadrunnerroadcrew.com/node/143771
http://www.roadrunnerroadcrew.com/node/144366
http://www.roadrunnerroadcrew.com/node/144791

http://webdocs.cs.ualberta.ca/~cellest/projectdiaries/edunuggets/backup/lendi.32499.1
http://webdocs.cs.ualberta.ca/~cellest/projectdiaries/edunuggets/backup/lendi.1412.1
http://webdocs.cs.ualberta.ca/~cellest/projectdiaries/edunuggets/backup/lendi.1497.1