http://leankit.com/kanban/kanban-agile/
http://www.infoq.com/articles/kanban-siemens-health-services
http://edu.leankanban.com/blog/reviewing-siemens-healthcare-case-study
http://edu.leankanban.com/kanban-method
http://www.infoq.com/articles/scrum-not-enough
http://blog.crisp.se/mattiasskarin/files/pdf/converting_a_scrum_team_to_kanban.pdf
