RT Article T1 Cyberbullying in Germany - an exploration of prevalence, overlapping with real life bullying and coping strategies JF Psychology science quarterly VO 51 IS 3 SP 298 OP 314 A1 Riebel, Julia A2 Jäger, Reinhold S. 1946- A2 Fischer, Uwe C. LA English YR 2009 UL https://krimdok.uni-tuebingen.de/Record/139197218X K1 Cyperbullying K1 Bullying K1 Bewältigungsverhalten