@article{GrebelPykaHanusch2003,
  author    = {Thomas Grebel and Andreas Pyka and Horst Hanusch},
  title     = {An evolutionary approach to the theory of the entrepreneur},
  journal   = {Industry and Innovation},
  volume    = {10},
  number    = {4},
  pages     = {493 -- 514},
  doi       = {10.1080/1366271032000163702},
  year      = {2003},
}