@article{BaesslerSchwarzerKwiateketal.1997,
  author    = {Judith B{\"a}ßler and R. Schwarzer and P. Kwiatek and K. Schr{\"o}der and J. X. Zhang},
  title     = {The assessment of optimistic self-beliefs : comparison of the german, spanish and chinese versions of the general self-efficacy scale},
  year      = {1997},
}