@article{Grob2005,
  author    = {Karl Grob},
  title     = {Cognitive abilities, motives, learning strategies and social interactions as components of long-term-learning in basic electricity},
  journal   = {LLF-Berichte / Universit{\"a}t Potsdam, Zentrum f{\"u}r Lehrerbildung},
  volume    = {7},
  year      = {2005},
}