Cao, Y., Ehms, K., Fiedler, S., Hofer, M., Kaiamo, A.-K., Kieslinger, B., Klamma, R., Krause, B., Kravcik, M., Ryyppö, T., Spaniol, M., Stumme, G. & Wild, F. (2007). Case study on social software use in distributed working environments .  (Deliverable 15.2, European Network of Excellence ``Prolearn - Professional E-Learning'')

Cao, Y., Ehms, K., Fiedler, S., Hofer, M., Kaiamo, A.-K., Kieslinger, B., Klamma, R., Krause, B., Kravcik, M., Ryyppö, T., Spaniol, M., Stumme, G. & Wild, F. (2007). Case study on social software use in distributed working environments .  (Deliverable 15.2, European Network of Excellence ``Prolearn - Professional E-Learning'')