@article{PucherMenseWahletal.2003,
  author    = {Robert Pucher and Alexander Mense and Harald Wahl and Fritz Schm{\"o}llebeck},
  title     = {Intrinsic Motivation of Students in Project Based Learning},
  journal   = {The Transactions of the SA Institute of Electrical Engineers},
  volume    = {94},
  number    = {3},
  pages     = {6 -- 9},
  year      = {2003},
}