@article{KaemperLehrEhrfeldetal.2007,
  author    = {Klaus-Peter K{\"a}mper and H. Lehr and W. Ehrfeld and B. Hagemann},
  title     = {Development of micro and millimotors. Lehr, H.; Ehrfeld, W.; Hagemann, B.; K{\"a}mper, K.-P.; Michel, F.; Schulz, C.; Th{\"u}rigen C.},
  journal   = {Minimally Invasive Therapy and Allied Technologies. 6 (1997)},
  year      = {2007},
}