By Engeln Katrin   Euler Manfred   Maass Katja   in ZDM

ISSN:1863-9690|45|6|823-836

Springer Publishing Company ‎(2013)‎

Access to resources Favorite 11.326538

By Cords Nina   Fischer Robert   Euler Manfred   Prasad Amrita   in Physics Education

ISSN:0031-9120|47|1|69-72

IOP Publishing‎(2012)‎

Access to resources Favorite 9.438782