Verwendete Ressourcen:

 Folien aus der Versanstaltung : Ruby on Rails  2012
 Twitter-Bootstrap
 Carrier-Wave
 Prawn
 Prawnto
 CanCan
 omniauth-cas

Quellenangaben:

 http://twitter.github.com/bootstrap/components.html
 https://github.com/jnicklas/carrierwave
 https://github.com/prawnpdf/prawn
 https://github.com/prior/prawnto
 https://github.com/ryanb/cancan
 https://github.com/dlindahl/omniauth-cas