Rehm, M., & Notten, A..  (2016).  The invisible hand of informal (educational) communication!? Social capital considerations on Twitter conversations among teachers. UNU-MERIT Working Paper, 2016(52). Abgerufen von http://www.merit.unu.edu/publications/wppdf/2016/wp2016-052.pdf

Rehm, M., & Notten, A..  (2016).  Twitter as an Informal Learning Space for Teachers!? The Role of Social Capital in Twitter Conversations among Teachers. Teaching and Teacher Education. doi:10.1016/j.tate.2016.08.015

Rehm, M., Preussler, A., Kerres, M., & Notten, A..  (2014).  Pebble-in-the-Pond?! Does a Hashtag Conversation on Twitter connect Teachers?. In EARLI - SIG 14 (Learning and Professional Development). Oslo, Norway.